计算下面各题,能简算的要简算.87-(17+110)5×13×25×31047÷6+37×16[1÷(79-29)]×527.-数学

题目简介

计算下面各题,能简算的要简算.87-(17+110)5×13×25×31047÷6+37×16[1÷(79-29)]×527.-数学

题目详情

计算下面各题,能简算的要简算.
8
7
-(
1
7
+
1
10
1
3
×
2
5
×
3
10
4
7
÷6+
3
7
×
1
6
[1÷(
7
9
-
2
9
)]×
5
27
题型:解答题难度:中档来源:不详

答案

(1)class="stub"8
7
-(class="stub"1
7
+class="stub"1
10
),
=class="stub"8
7
-class="stub"1
7
-class="stub"1
10

=1-class="stub"1
10

=class="stub"9
10


(2)5×class="stub"1
3
×class="stub"2
5
×class="stub"3
10

=(5×class="stub"2
5
)×(class="stub"3
10
×class="stub"1
3
),
=2×class="stub"1
10

=class="stub"1
5


(3)class="stub"4
7
÷6+class="stub"3
7
×class="stub"1
6

=class="stub"4
7
×class="stub"1
6
+class="stub"3
7
×class="stub"1
6

=(class="stub"4
7
+class="stub"3
7
)×class="stub"1
6

=1×class="stub"1
6

=class="stub"1
6


(4)[1÷(class="stub"7
9
-class="stub"2
9
)]×class="stub"5
27

=(1÷class="stub"5
9
)×class="stub"5
27

=class="stub"9
5
×class="stub"5
27

=class="stub"1
3

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