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怎样简便怎样算:(1)57×23+27÷32(2)[1-(38+14)÷14(4)0.625×36+38×36-36(4)(49+513+59+813)×9100(5)12+16+112+120+130+142+156+172.

题目详情
怎样简便怎样算:
(1)
5
7
×
2
3
+
2
7
÷
3
2
          
(2)[1-(
3
8
+
1
4
÷
1
4
       
(4)0.625×36+
3
8
×36-36
(4)(
4
9
+
5
13
+
5
9
+
8
13
9
100
          
(5)
1
2
+
1
6
+
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72

5
7
×
2
3
+
2
7
÷
3
2
          
(2)[1-(
3
8
+
1
4
÷
1
4
       
(4)0.625×36+
3
8
×36-36
(4)(
4
9
+
5
13
+
5
9
+
8
13
9
100
          
(5)
1
2
+
1
6
+
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72
5
7
5577
2
3
2233
2
7
2277
3
2
3322
3
8
+
1
4
÷
1
4
       
(4)0.625×36+
3
8
×36-36
(4)(
4
9
+
5
13
+
5
9
+
8
13
9
100
          
(5)
1
2
+
1
6
+
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72
3
8
3388
1
4
1144÷
1
4
       
(4)0.625×36+
3
8
×36-36
(4)(
4
9
+
5
13
+
5
9
+
8
13
9
100
          
(5)
1
2
+
1
6
+
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72
1
4
1144
3
8
×36-36
(4)(
4
9
+
5
13
+
5
9
+
8
13
9
100
          
(5)
1
2
+
1
6
+
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72
3
8
3388
(
4
9
+
5
13
+
5
9
+
8
13
9
100
          
(5)
1
2
+
1
6
+
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72
4
9
4499
5
13
551313
5
9
5599
8
13
881313
9
100
99100100
1
2
+
1
6
+
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72
1
2
1122
1
6
+
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72
1
6
1166
1
12
+
1
20
+
1
30
+
1
42
+
1
56
+
1
72
1
12
111212
1
20
+
1
30
+
1
42
+
1
56
+
1
72
1
20
112020
1
30
+
1
42
+
1
56
+
1
72
1
30
113030
1
42
+
1
56
+
1
72
1
42
114242
1
56
+
1
72
1
56
115656
1
72
1
72
117272
▼优质解答
答案和解析
(1)(1)57×23+27÷32,=57×23+27×23,=(57+27)×23,=1×23,=23;(2)[1-(38+14)]÷14,=[1-58]×4,=38×4,=32;    (3)0.625×36+38×36-36,=(0.625+0.375-1)×36,=0×36...