用递等式计算.75×24+836÷4(7.6-3.6÷2)×1.5716×9+7÷16757÷[1÷(23-15)].-数学

题目简介

用递等式计算.75×24+836÷4(7.6-3.6÷2)×1.5716×9+7÷16757÷[1÷(23-15)].-数学

题目详情

用递等式计算.
75×24+836÷4
(7.6-3.6÷2)×1.5
7
16
×9+7÷
16
7

5
7
÷[1÷(
2
3
-
1
5
)].
题型:解答题难度:中档来源:不详

答案

(1)75×24+836÷4,
=1800+209,
=2009;

(2)(7.6-3.6÷2)×1.5,
=(7.6-1.8)×1.5,
=5.8×1.5,
=8.7;

(3)class="stub"7
16
×9+7÷class="stub"16
7

=class="stub"7
16
×9+7×class="stub"7
16

=(9+7)×class="stub"7
16

=16×class="stub"7
16

=7;

(4)class="stub"5
7
÷[1÷(class="stub"2
3
-class="stub"1
5
)],
=class="stub"5
7
÷[1÷class="stub"7
15
],
=class="stub"5
7
×class="stub"7
15

=class="stub"1
3

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