计算下面各题,能简算的简算.6c×85+4c÷5864×4得%+得.c5×655-c8-得.m得5m865÷得.如×56-数学

题目简介

计算下面各题,能简算的简算.6c×85+4c÷5864×4得%+得.c5×655-c8-得.m得5m865÷得.如×56-数学

题目详情

计算下面各题,能简算的简算.
6
c
×
8
5
+
4
c
÷
5
8
6
4
×4得%+得.c5×
6
5
5-
c
8
-得.m得5
m8
65
÷得.如×
5
6
题型:解答题难度:中档来源:不详

答案

(下)class="stub"3
v
×class="stub"8
5
+class="stub"4
v
÷class="stub"5
8

=class="stub"3
v
×class="stub"8
5
+class="stub"4
v
×class="stub"8
5

=(class="stub"3
v
+class="stub"4
v
)×class="stub"8
5

=下×class="stub"8
5

=class="stub"8
5


(2)class="stub"3
4
×40%+0.v5×class="stub"3
5

=0.v5×0.4+0.v5×0.6,
=0.v5×(0.4+0.6),
=0.v5×下,
=0.v5;

(3)5-class="stub"v
8
-0.下25,
=5-0.8v5-0.下25,
=5-(0.8v5+0.下25),
=5-下,
=4;

(4)class="stub"下8
35
÷0.9×class="stub"5
6

=class="stub"4
v
×class="stub"5
6

=class="stub"下0
2下

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