脱式计算320×50-24111÷5786420-11928÷28×603.8-1.395÷0.31×0.50.15×(6.52-1.83)÷70(1118-29)÷(38+320)8÷3-(67-1

题目简介

脱式计算320×50-24111÷5786420-11928÷28×603.8-1.395÷0.31×0.50.15×(6.52-1.83)÷70(1118-29)÷(38+320)8÷3-(67-1

题目详情

脱式计算
320×50-24111÷57
86420-11928÷28×60
3.8-1.395÷0.31×0.50.15×(6.52-1.83)÷70
(
11
18
-
2
9
)÷(
3
8
+
3
20
)
3-(
6
7
-
1
4
)
题型:解答题难度:中档来源:不详

答案

(1)320×50-24111÷57,
=16000-423,
=15577;

(2)86420-11928÷28×60,
=86420-426×60,
=86420-25560,
=60860;

(3)3.8-1.395÷0.31×0.5,
=3.8-4.5×0.5,
=3.8-2.25,
=1.55;

(4)0.15×(6.52-1.83)÷70,
=0.15×4.42÷70,
=0.663÷70,
=class="stub"663
7000


(5)(class="stub"11
18
-class="stub"2
9
)÷(class="stub"3
8
+class="stub"3
20
),
=class="stub"7
18
÷class="stub"21
40

=class="stub"20
27


(6)8÷3-(class="stub"6
7
-class="stub"1
4
)

=8÷3-class="stub"17
28

=class="stub"8
3
-class="stub"17
28

=class="stub"173
84

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