计算下面各题,简算的要简算:6×(1-14)+0.75×52537+18×37+19×631÷28×91-73×128-17÷28[4.8-0.24÷(5-4.76)]÷3.8(1-23)÷[23÷6

题目简介

计算下面各题,简算的要简算:6×(1-14)+0.75×52537+18×37+19×631÷28×91-73×128-17÷28[4.8-0.24÷(5-4.76)]÷3.8(1-23)÷[23÷6

题目详情

计算下面各题,简算的要简算:
6×(1-
1
4
)+0.75×5
2
5
37+18×37+19×631÷28×91-73×
1
28
-17÷28
[4.8-0.24÷(5-4.76)]÷3.8(1-
2
3
)÷[
2
3
÷6÷(1+
3
5
)
].
题型:解答题难度:中档来源:不详

答案

(1)6×(1-class="stub"1
4
)+0.75×5class="stub"2
5

=6×class="stub"3
4
+0.75×5class="stub"2
5

=6×class="stub"3
4
+class="stub"3
4
×class="stub"27
5

=(6+class="stub"27
5
)×class="stub"3
4

=class="stub"57
5
×class="stub"3
4

=class="stub"171
20


(2)37+18×37+19×63,
=(1+18)×37+19×63,
=19×37+19×63,
=19×(37+63),
=19×100,
=1900;

(3)1÷28×91-73×class="stub"1
28
-17÷28,
=class="stub"1
28
×91-73×class="stub"1
28
-17×class="stub"1
28

=class="stub"1
28
×(91-73-17),
=class="stub"1
28
×1,
=class="stub"1
28


(4)[4.8-0.24÷(5-4.76)]÷3.8,
=[4.8-0.24÷0.24]÷3.8,
=[4.8-1]÷3.8,
=3.8÷3.8,
=1;

(5)(1-class="stub"2
3
)÷[class="stub"2
3
÷6÷(1+class="stub"3
5
)
],
=class="stub"1
3
÷[class="stub"2
3
÷6÷class="stub"8
5
],
=class="stub"1
3
÷[class="stub"1
9
×class="stub"5
8
],
=class="stub"1
3
÷class="stub"5
72

=class="stub"24
5

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