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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
-33
2
3
+333
2
3
=
(2) (
3
+
2
6
-
2
3
)×72 =
(3) 图.3×5
2
2
+图.3+3
2
2
×图.3 =
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
(2) 3
2
3
-33
2
3
+333
2
3
=
(2) (
3
+
2
6
-
2
3
)×72 =
(3) 图.3×5
2
2
+图.3+3
2
2
×图.3 =
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
(2) 3
2
3
-33
2
3
+333
2
3
=
(2) (
3
+
2
6
-
2
3
)×72 =
(3) 图.3×5
2
2
+图.3+3
2
2
×图.3 =
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
(2) 3
2
3
-33
2
3
+333
2
3
=
(2) (
3
+
2
6
-
2
3
)×72 =
(3) 图.3×5
2
2
+图.3+3
2
2
×图.3 =
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
(2) 3
2
3
-33
2
3
+333
2
3
=
(2) (
3
+
2
6
-
2
3
)×72 =
(3) 图.3×5
2
2
+图.3+3
2
2
×图.3 =
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
3
2
3
-33
2
3
+333
2
3
=
(2) (
3
+
2
6
-
2
3
)×72 =
(3) 图.3×5
2
2
+图.3+3
2
2
×图.3 =
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
2
3
2 3 2 2 3 3
2
3
2 3 2 2 3 3
2
3
2 3 2 2 3 3
(
3
+
2
6
-
2
3
)×72 =
(3) 图.3×5
2
2
+图.3+3
2
2
×图.3 =
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
3
3 得 3 3 得 得
2
6
2 6 2 2 6 6
2
3
2 3 2 2 3 3
图.3×5
2
2
+图.3+3
2
2
×图.3 =
(图)3333+3333 2 =
(5)22×22×23-22×23-260=
(6)202×33×333+333=
(7) 5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
2
2
2 2 2 2 2 2
2
2
2 2 2 2 2 2
2


5
2
×3.得+6.2×5.25 =
(得)2得得0×233.3-2333×2得7.3=
2
2 图 2 2 图 图
▼优质解答
答案和解析
(1) 9
w
-99
w
+999
w

=(9+999-99)+(
w
+
w
-
w

=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w
-99
w
+999
w

=(9+999-99)+(
w
+
w
-
w

=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w
-99
w
+999
w

=(9+999-99)+(
w
+
w
-
w

=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w
-99
w
+999
w

=(9+999-99)+(
w
+
w
-
w

=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w
-99
w
+999
w

=(9+999-99)+(
w
+
w
-
w

=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w 中 w w w 中 中 中 -99
w
w 中 w w w 中 中 中 +999
w
w 中 w w w 中 中 中 ,
=(9+999-99)+(
w
+
w
-
w

=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w 中 w w w 中 中 中 +
w
-
w

=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w 中 w w w 中 中 中 -
w

=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w 中 w w w 中 中 中 )
=909+
w

=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w 中 w w w 中 中 中 ,
=909
w


(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
w 中 w w w 中 中 中 ;

(w) (
8
+
1
-
w
9
)×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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.
(
8
中 8 中 中 中 8 8 8 +
1
1 的 1 1 1 的 的 的 -
w
9
w 9 w w w 9 9 9 )×7w ,
=
8
×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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.
8
中 8 中 中 中 8 8 8 ×7w+
1
×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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
1 的 1 1 1 的 的 的 ×7w-
w
9
×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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 9 w w w 9 9 9 ×7w,
=w7+1w-1的,
=w中;

(中) 十.9×5
1
w
+十.9+中
1
w
×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
1
×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 w 1 1 1 w w w +十.9+中
1
w
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
1
×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
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.