计算,能简算的要简算.①56×(37-38+914)②32×1.25×0.25③(3618÷18-145)×20④(156×413-26)×811⑤35×(1-37)÷512⑥920÷[34×(25+

题目简介

计算,能简算的要简算.①56×(37-38+914)②32×1.25×0.25③(3618÷18-145)×20④(156×413-26)×811⑤35×(1-37)÷512⑥920÷[34×(25+

题目详情

计算,能简算的要简算.
①56×(
3
7
-
3
8
+
9
14

②32×1.25×0.25
③(3618÷18-145)×20
④(156×
4
13
-26)×
8
11

⑤35×(1-
3
7
)÷
5
12

9
20
÷[
3
4
×(
2
5
+
1
3
)].
题型:解答题难度:中档来源:不详

答案

①56×(class="stub"3
7
-class="stub"3
8
+class="stub"9
14
),
=56×class="stub"3
7
-56×class="stub"3
8
+56×class="stub"9
14

=24-21+36,
=39;
②32×1.25×0.25
=(8×1.25)×(4×0.25),
=10×1,
=10;
③(3618÷18-145)×20,
=(201-145)×20,
=56×20,
=1120;
④(156×class="stub"4
13
-26)×class="stub"8
11

=(48-26)×class="stub"8
11

=22×class="stub"8
11

=16;
⑤35×(1-class="stub"3
7
)÷class="stub"5
12

=35×class="stub"4
7
×class="stub"12
5

=48;
class="stub"9
20
÷[class="stub"3
4
×(class="stub"2
5
+class="stub"1
3
)],
=class="stub"9
20
÷[class="stub"3
4
×class="stub"11
15
],
=class="stub"9
20
÷class="stub"11
20

=class="stub"9
20
×class="stub"20
11

=class="stub"9
11

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