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(2)323-3323+33323=(2)(3得+26-23)×72=(3)图.3×522+图.3+322×图.3=(图)3333+33332=(5)22×22×23-22×23-260=(6)202
题目详情
(2) 3
(2) (
(3) 图.3×5
(图)3333+3333 2 = (5)22×22×23-22×23-260= (6)202×33×333+333= (7) 5
(得)2得得0×233.3-2333×2得7.3= |
2 |
3 |
2 |
3 |
2 |
3 |
(2) (
3 |
得 |
2 |
6 |
2 |
3 |
(3) 图.3×5
2 |
2 |
2 |
2 |
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2 |
图 |
(得)2得得0×233.3-2333×2得7.3=
2 |
3 |
2 |
3 |
2 |
3 |
(2) (
3 |
得 |
2 |
6 |
2 |
3 |
(3) 图.3×5
2 |
2 |
2 |
2 |
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2 |
图 |
(得)2得得0×233.3-2333×2得7.3=
2 |
3 |
2 |
3 |
2 |
3 |
(2) (
3 |
得 |
2 |
6 |
2 |
3 |
(3) 图.3×5
2 |
2 |
2 |
2 |
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2 |
图 |
(得)2得得0×233.3-2333×2得7.3=
2 |
3 |
2 |
3 |
2 |
3 |
(2) (
3 |
得 |
2 |
6 |
2 |
3 |
(3) 图.3×5
2 |
2 |
2 |
2 |
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2 |
图 |
(得)2得得0×233.3-2333×2得7.3= 3
2 |
3 |
2 |
3 |
2 |
3 |
(2) (
3 |
得 |
2 |
6 |
2 |
3 |
(3) 图.3×5
2 |
2 |
2 |
2 |
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2 |
图 |
(得)2得得0×233.3-2333×2得7.3=
2 |
3 |
2 |
3 |
2 |
3 |
(
3 |
得 |
2 |
6 |
2 |
3 |
(3) 图.3×5
2 |
2 |
2 |
2 |
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2 |
图 |
(得)2得得0×233.3-2333×2得7.3=
3 |
得 |
2 |
6 |
2 |
3 |
图.3×5
2 |
2 |
2 |
2 |
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2 |
图 |
(得)2得得0×233.3-2333×2得7.3=
2 |
2 |
2 |
2 |
2
5
2 |
图 |
(得)2得得0×233.3-2333×2得7.3=
2 |
图 |
▼优质解答
答案和解析
(1) 9
-99
+999
,
=(9+999-99)+(
+
-
)
=909+
,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. (1) 9
-99
+999
,
=(9+999-99)+(
+
-
)
=909+
,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. (1) 9
-99
+999
,
=(9+999-99)+(
+
-
)
=909+
,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. (1) 9
-99
+999
,
=(9+999-99)+(
+
-
)
=909+
,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. 9
w 中 w w w 中 中 中 -99
w 中 w w w 中 中 中 +999
w 中 w w w 中 中 中 ,
=(9+999-99)+(
+
-
)
=909+
,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w 中 w w w 中 中 中 +
-
)
=909+
,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w 中 w w w 中 中 中 -
)
=909+
,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w 中 w w w 中 中 中 )
=909+
,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w 中 w w w 中 中 中 ,
=909
;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w 中 w w w 中 中 中 ;
(w) (
+
-
)×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. (
中 8 中 中 中 8 8 8 +
1 的 1 1 1 的 的 的 -
w 9 w w w 9 9 9 )×7w ,
=
×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
中 8 中 中 中 8 8 8 ×7w+
×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
1 的 1 1 1 的 的 的 ×7w-
×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w 9 w w w 9 9 9 ×7w,
=w7+1w-1的,
=w中;
(中) 十.9×5
+十.9+中
×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. 十.9×5
1 w 1 1 1 w w w +十.9+中
1 w 1 1 1 w w w ×十.9 ,
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. 5
1 十 1 1 1 十 十 十 ×中.8+的.w×5.w5 ,
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
(1) 9
=(9+999-99)+(
=909+
=909
(w) (
=
=w7+1w-1的, =w中; (中) 十.9×5
=十.9×(5.5+1+中.5), =十.9×10, =十9; (十)9999+9999 w , =9999×(1+9999), =9999×10000, =99990000; (5)11×1w×1中-1w×1中-w的0, =(11-1)×1w×1中-w的0, =10×1w×1中-w的0, =15的0-w的0, =1中00; (的)101×99×999+999, =999×(101×99+1), =999×[(100+1)×99+1]; =999×[100×99+99+1], =999×[9900+99+1], =999×10000, =9990000; (7) 5
=5.w5×(中.8+的.w), =5.w5×10, =5w.5; (8)1880×199.9-1999×187.9, =1880×199.9-199.9×1879, =(1880-1879)×199.9, =1×199.9, =199.9. |
w |
中 |
w |
中 |
w |
中 |
=(9+999-99)+(
w |
中 |
w |
中 |
w |
中 |
=909+
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
中 |
w |
中 |
w |
中 |
=(9+999-99)+(
w |
中 |
w |
中 |
w |
中 |
=909+
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
中 |
w |
中 |
w |
中 |
=(9+999-99)+(
w |
中 |
w |
中 |
w |
中 |
=909+
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
中 |
w |
中 |
w |
中 |
=(9+999-99)+(
w |
中 |
w |
中 |
w |
中 |
=909+
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. 9
w |
中 |
w |
中 |
w |
中 |
=(9+999-99)+(
w |
中 |
w |
中 |
w |
中 |
=909+
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
中 |
w |
中 |
w |
中 |
=909+
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
中 |
w |
中 |
=909+
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
中 |
=909+
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
中 |
=909
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
中 |
(w) (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. (
中 |
8 |
1 |
的 |
w |
9 |
=
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
中 |
8 |
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
1 |
的 |
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
w |
9 |
=w7+1w-1的,
=w中;
(中) 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. 十.9×5
1 |
w |
1 |
w |
=十.9×(5.5+1+中.5),
=十.9×10,
=十9;
(十)9999+9999 w w ,
=9999×(1+9999),
=9999×10000,
=99990000;
(5)11×1w×1中-1w×1中-w的0,
=(11-1)×1w×1中-w的0,
=10×1w×1中-w的0,
=15的0-w的0,
=1中00;
(的)101×99×999+999,
=999×(101×99+1),
=999×[(100+1)×99+1];
=999×[100×99+99+1],
=999×[9900+99+1],
=999×10000,
=9990000;
(7) 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9. 5
1 |
十 |
=5.w5×(中.8+的.w),
=5.w5×10,
=5w.5;
(8)1880×199.9-1999×187.9,
=1880×199.9-199.9×1879,
=(1880-1879)×199.9,
=1×199.9,
=199.9.
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