计算下列各题45×[1316÷(34+13)]450÷18×2.5+4.96(156×413-26)×811(43+52)÷(2-32)-数学

题目简介

计算下列各题45×[1316÷(34+13)]450÷18×2.5+4.96(156×413-26)×811(43+52)÷(2-32)-数学

题目详情

计算下列各题
4
5
×[
13
16
÷(
3
4
+
1
3
)]

450÷18×2.5+4.96
(156×
4
13
-26)×
8
11

4
3
+
5
2
)÷(2-
3
2
题型:解答题难度:中档来源:不详

答案

(1)class="stub"4
5
×[class="stub"13
16
÷(class="stub"3
4
+class="stub"1
3
)],
=class="stub"4
5
×[class="stub"13
16
÷class="stub"13
12
],
=class="stub"4
5
×[class="stub"13
16
×class="stub"12
13
],
=class="stub"4
5
×class="stub"3
4

=class="stub"3
5


(2)450÷18×2.5+4.96,
=25×2.5+4.96,
=62.5+4.96,
=67.46;

(3)(156×class="stub"4
13
-26)×class="stub"8
11

=(48-26)×class="stub"8
11

=22×class="stub"8
11

=16;

(4)(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

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