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递等式计算(能简便的要简便).(3618÷18-145)×204.2÷23×17-0.58.375+513-38+21356×37-19÷651118÷[2-(14+56)](2-34×45)÷(112+415)

题目详情
(3618÷18-145)×20 4.2÷
2
3
×
1
7
-0.5
8.375+
5
13
-
3
8
+
2
13
5
6
×37-19÷
6
5
11
18
÷[2-(
1
4
+
5
6
)]
(2-
3
4
×
4
5
)÷(
1
12
+
4
15
(3618÷18-145)×20 4.2÷
2
3
×
1
7
-0.5
8.375+
5
13
-
3
8
+
2
13
(3618÷18-145)×204.2÷
2
3
×
1
7
-0.5
2
3
×
1
7
-0.5
2
3
2233
1
7
-0.5
1
7
11778.375+
5
13
-
3
8
+
2
13
5
13
-
3
8
+
2
13
5
13
551313
3
8
+
2
13
3
8
3388
2
13
2
13
221313
5
6
×37-19÷
6
5
11
18
÷[2-(
1
4
+
5
6
)]
(2-
3
4
×
4
5
)÷(
1
12
+
4
15
5
6
×37-19÷
6
5
5
6
×37-19÷
6
5
5
6
5566
6
5
6
5
6655
11
18
÷[2-(
1
4
+
5
6
)]
11
18
÷[2-(
1
4
+
5
6
)]
11
18
11111818
1
4
+
5
6
)]
1
4
1144
5
6
)]
5
6
5566(2-
3
4
×
4
5
)÷(
1
12
+
4
15
3
4
×
4
5
)÷(
1
12
+
4
15
3
4
3344
4
5
)÷(
1
12
+
4
15
4
5
4455
1
12
+
4
15
1
12
111212
4
15
4
15
441515
▼优质解答
答案和解析
(1)(3618÷18-145)×20,
=(201-145)×20,
=56×20,
=(50+6)×20,
=1000+120,
=1120;

(2)4.2÷
2
3
×
1
7
-0.5,
=4.2×
3
2
×
1
7
-0.5,
=0.9-0.5,
=0.4;

(3)8.375+
5
13
-
3
8
+
2
13

=(8.375-
3
8
)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
2
3
222333×
1
7
-0.5,
=4.2×
3
2
×
1
7
-0.5,
=0.9-0.5,
=0.4;

(3)8.375+
5
13
-
3
8
+
2
13

=(8.375-
3
8
)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
1
7
111777-0.5,
=4.2×
3
2
×
1
7
-0.5,
=0.9-0.5,
=0.4;

(3)8.375+
5
13
-
3
8
+
2
13

=(8.375-
3
8
)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
3
2
333222×
1
7
-0.5,
=0.9-0.5,
=0.4;

(3)8.375+
5
13
-
3
8
+
2
13

=(8.375-
3
8
)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
1
7
111777-0.5,
=0.9-0.5,
=0.4;

(3)8.375+
5
13
-
3
8
+
2
13

=(8.375-
3
8
)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
5
13
555131313-
3
8
+
2
13

=(8.375-
3
8
)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
3
8
333888+
2
13

=(8.375-
3
8
)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
2
13
222131313,
=(8.375-
3
8
)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
3
8
333888)+(
5
13
+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
5
13
555131313+
2
13
),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
2
13
222131313),
=(8.375-0.375)+
7
13

=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
7
13
777131313,
=8+
7
13

=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
7
13
777131313,
=8
7
13


(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
7
13
777131313;

(4)
5
6
×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
5
6
555666×37-19÷
6
5

=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
6
5
666555,
=
5
6
×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
5
6
555666×37-19×
5
6

=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
5
6
555666,
=
5
6
×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
5
6
555666×(37-19),
=
5
6
×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
5
6
555666×18,
=15;

(5)
11
18
÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
11
18
111111181818÷[2-(
1
4
+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
1
4
111444+
5
6
)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
5
6
555666)],
=
11
18
÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
11
18
111111181818÷[2-
13
12
],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
13
12
131313121212],
=
11
18
÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
11
18
111111181818÷
11
12

=
11
18
×
12
11

=
2
3


(6)(2-
11
12
111111121212,
=
11
18
×
12
11

=
2
3


(6)(2-
11
18
111111181818×
12
11

=
2
3


(6)(2-
12
11
121212111111,
=
2
3


(6)(2-
2
3
222333;

(6)(2-