下面各题,怎样简便就怎样算23+415×58516×815-11857×415×7816×38×611.-数学

题目简介

下面各题,怎样简便就怎样算23+415×58516×815-11857×415×7816×38×611.-数学

题目详情

下面各题,怎样简便就怎样算
2
3
+
4
15
×
5
8
5
16
×
8
15
-
1
18
5
7
×
4
15
×
7
8
1
6
×
3
8
×
6
11
题型:解答题难度:中档来源:不详

答案

(1)class="stub"2
3
+class="stub"4
15
×class="stub"5
8

=class="stub"2
3
+class="stub"1
6

=class="stub"5
6


(2)class="stub"5
16
×class="stub"8
15
-class="stub"1
18

=class="stub"1
6
-class="stub"1
18

=class="stub"1
9


(3)class="stub"5
7
×class="stub"4
15
×class="stub"7
8

=class="stub"5
7
×class="stub"7
8
×class="stub"4
15

=class="stub"5
8
×class="stub"4
15

=class="stub"1
6


(4)class="stub"1
6
×class="stub"3
8
×class="stub"6
11

=class="stub"1
6
×class="stub"6
11
×class="stub"3
8

=class="stub"1
11
×class="stub"3
8

=class="stub"3
88

更多内容推荐