用自己喜欢的方式计算下面各题(要写出主要的解答过程)(1)3600-800÷40×35(2)64-15.8-14.2(3)(56×57-27)×913(4)(512-16+718)×36(5)18×9

题目简介

用自己喜欢的方式计算下面各题(要写出主要的解答过程)(1)3600-800÷40×35(2)64-15.8-14.2(3)(56×57-27)×913(4)(512-16+718)×36(5)18×9

题目详情

用自己喜欢的方式计算下面各题(要写出主要的解答过程)
(1)3600-800÷40×35
(2)64-15.8-14.2
(3)(56×
5
7
-27)×
9
13

(4)(
5
12
-
1
6
+
7
18
)×36

(5)18×
9
14
-5×
9
14
+
9
14

(6)38÷[2.5×(4.36+3.64)].
题型:解答题难度:中档来源:不详

答案

(1)3600-800÷40×35,
=3600-20×35,
=3600-700,
=2900;

(2)64-15.8-14.2,
=64-(15.8+14.2),
=64-30,
=34;

(3)(56×class="stub"5
7
-27)×class="stub"9
13

=(40-27)×class="stub"9
13

=13×class="stub"9
13

=9;

(4)(class="stub"5
12
-class="stub"1
6
+class="stub"7
18
)×36

=class="stub"5
12
×36-class="stub"1
6
×36+class="stub"7
18
×36,
=15-6+14,
=9+14,
=23;

(5)18×class="stub"9
14
-5×class="stub"9
14
+class="stub"9
14

=(18-5+1)×class="stub"9
14

=14×class="stub"9
14

=9;

(6)38÷[2.5×(4.36+3.64)],
=38÷[2.5×8],
=38÷20,
=1.9.

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