计算下面各题,怎样简便就怎样算.15×38÷9420×(25+16-415)35×713+35×61310-(43+13×2)-六年级数学

题目简介

计算下面各题,怎样简便就怎样算.15×38÷9420×(25+16-415)35×713+35×61310-(43+13×2)-六年级数学

题目详情

计算下面各题,怎样简便就怎样算.
15×
3
8
÷
9
4
20×(
2
5
+
1
6
-
4
15
3
5
×
7
13
+
3
5
×
6
13
10-(
4
3
+
1
3
×2)
题型:解答题难度:中档来源:不详

答案

(1)15×class="stub"3
8
÷class="stub"9
4

=class="stub"45
8
÷class="stub"9
4

=2class="stub"1
2


(2)20×(class="stub"2
5
+class="stub"1
6
-class="stub"4
15

=20×(class="stub"17
30
-class="stub"4
15

=20×class="stub"3
10

=6;

(3)class="stub"3
5
×class="stub"7
13
+class="stub"3
5
×class="stub"6
13

=class="stub"3
5
×(class="stub"7
13
+class="stub"6
13

=class="stub"3
5
×1
=class="stub"3
5


(4)10-(class="stub"4
3
+class="stub"1
3
×2)
=10-(class="stub"4
3
+class="stub"2
3

=10-2
=8.

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