计算下面各题.19.5÷(8.5-2.4×3)760-365÷73×5720×5-56÷234÷[67×(13-14)].-数学

题目简介

计算下面各题.19.5÷(8.5-2.4×3)760-365÷73×5720×5-56÷234÷[67×(13-14)].-数学

题目详情

计算下面各题.
19.5÷(8.5-2.4×3)
760-365÷73×5
7
20
×5-
5
6
÷2

3
4
÷[
6
7
×(
1
3
-
1
4
)]
题型:解答题难度:中档来源:不详

答案

(1)19.5÷(8.5-2.4×3),
=19.5÷(8.5-7.2),
=19.5÷1.3,
=15;

(2)760-365÷73×5,
=760-5×5
=760-25,
=735;

(3)class="stub"7
20
×5-class="stub"5
6
÷2

=class="stub"7
4
-class="stub"5
12

=class="stub"4
3


(4)class="stub"3
4
÷[class="stub"6
7
×(class="stub"1
3
-class="stub"1
4
)]

=class="stub"3
4
÷[class="stub"6
7
×class="stub"1
12
],
=class="stub"3
4
÷class="stub"1
14

=class="stub"21
2

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