计算下面各题.(能简算的要简算)43×512+53×512(532×1516)÷151638×34+58×75%(1+25%)÷(1-25%)5×43+13413÷65%×413×65%-数学

题目简介

计算下面各题.(能简算的要简算)43×512+53×512(532×1516)÷151638×34+58×75%(1+25%)÷(1-25%)5×43+13413÷65%×413×65%-数学

题目详情

计算下面各题.(能简算的要简算)
4
3
×
5
12
+
5
3
×
5
12
5
32
×
15
16
)÷
15
16
3
8
×
3
4
+
5
8
×
75%
(1+25%)÷(1-25%)
4
3
+
1
3
4
1
3
÷65%×4
1
3
×65%
题型:解答题难度:中档来源:不详

答案


(1)class="stub"4
3
×class="stub"5
12
+class="stub"5
3
×class="stub"5
12

=(class="stub"4
3
+class="stub"5
3
)×class="stub"5
12

=3×class="stub"5
12

=class="stub"5
4


(2)(class="stub"5
32
×class="stub"15
16
)÷class="stub"15
16

=(class="stub"5
32
×class="stub"15
16
)×class="stub"16
15

=class="stub"5
32
×(class="stub"15
16
×class="stub"16
15
),
=class="stub"5
32
×1,
=class="stub"5
32


(3)class="stub"3
8
×class="stub"3
4
+class="stub"5
8
×
75%,
=class="stub"3
8
×0.75+class="stub"5
8
×0.75

=(class="stub"3
8
+class="stub"5
8
)×0.75

=1×0.75,
=0.75;

(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=class="stub"5
3


(5)5×class="stub"4
3
+class="stub"1
3

=class="stub"20
3
+class="stub"1
3

=7;

(6)4class="stub"1
3
÷65%×4class="stub"1
3
×65%,
=(4class="stub"1
3
×4class="stub"1
3
)×(65%÷65%),
=class="stub"169
9
×1,
=class="stub"169
9

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