下面各题,怎样算简便就怎样算:4296-1296÷12+81251÷0.17+2.6×653×310÷56+1647×518+37÷185125×0.32×2537÷(23+116)×310.-数学

题目简介

下面各题,怎样算简便就怎样算:4296-1296÷12+81251÷0.17+2.6×653×310÷56+1647×518+37÷185125×0.32×2537÷(23+116)×310.-数学

题目详情

下面各题,怎样算简便就怎样算:
4296-1296÷12+812
51÷0.17+2.6×6
5
3
×
3
10
÷
5
6
+
1
6
4
7
×
5
18
+
3
7
÷
18
5
125×0.32×25
3
7
÷(
2
3
+
11
6
)×
3
10
题型:解答题难度:中档来源:不详

答案

(1)4296-1296÷12+812,
=4296-108+812,
=4188+812,
=5000;

(2)51÷0.17+2.6×6,
=300+15.6,
=315.6;

(3)class="stub"5
3
×class="stub"3
10
÷class="stub"5
6
+class="stub"1
6

=class="stub"1
2
÷class="stub"5
6
+class="stub"1
6

=class="stub"3
5
+class="stub"1
6

=class="stub"23
30


(4)class="stub"4
7
×class="stub"5
18
+class="stub"3
7
÷class="stub"18
5

=(class="stub"4
7
+class="stub"3
7
)×class="stub"•5
18

=1×class="stub"5
18

=class="stub"5
18


(5)125×0.32×25,
=125×0.8×0.4×25,
=(125×0.8)×(0.4×25),
=100×10,
=1000;

(6)class="stub"3
7
÷(class="stub"2
3
+class="stub"11
6
)×class="stub"3
10

=class="stub"3
7
÷class="stub"15
6
×class="stub"3
10

=class="stub"3
7
×class="stub"2
5
×class="stub"3
10

=class="stub"6
35
×class="stub"3
10

=class="stub"9
175

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