计算下面各题.720+280÷536.5×1.4-8.51÷3.712÷23-25(156×413-26)×811(43+52)÷(2-32)[4-(34-38)]×429.-数学

题目简介

计算下面各题.720+280÷536.5×1.4-8.51÷3.712÷23-25(156×413-26)×811(43+52)÷(2-32)[4-(34-38)]×429.-数学

题目详情

计算下面各题.
720+280÷5
36.5×1.4-8.51÷3.7
1
2
÷
2
3
-
2
5
(156×
4
13
-26)×
8
11
4
3
+
5
2
)÷(2-
3
2
[4-(
3
4
-
3
8
)]×
4
29
题型:解答题难度:中档来源:高县

答案

(1)720+280÷5,
=720+56,
=776;

(2)36.5×1.4-8.51÷3.7,
=51.1-2.3,
=48.4;

(3)class="stub"1
2
÷class="stub"2
3
-class="stub"2
5

=class="stub"1
2
×class="stub"3
2
-class="stub"2
5

=class="stub"3
4
-class="stub"2
5

=class="stub"7
20


(4)(156×class="stub"4
13
-26)×class="stub"8
11

=(48-26)×class="stub"8
11

=22×class="stub"8
11

=16;

(5)(class="stub"4
3
+class="stub"5
2
)÷(2-class="stub"3
2
),
=class="stub"23
6
÷class="stub"1
2

=class="stub"23
6
×2,
=class="stub"23
3


(6)[4-(class="stub"3
4
-class="stub"3
8
)]×class="stub"4
29

=[4-class="stub"3
8
class="stub"4
29

=class="stub"29
8
×class="stub"4
29

=class="stub"1
2

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