计算下面各题.712×21×31049÷5×5678÷34÷71285÷59÷2443×18÷8.-数学

题目简介

计算下面各题.712×21×31049÷5×5678÷34÷71285÷59÷2443×18÷8.-数学

题目详情

计算下面各题.
7
12
×21×
3
10
4
9
÷5×
5
6
7
8
÷
3
4
÷
7
12
8
5
÷
5
9
÷24
4
3
×
1
8
÷8.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"7
12
×21×class="stub"3
10

=class="stub"7
12
×class="stub"3
10
×21
=class="stub"7
40
×21
=class="stub"147
40


(2)class="stub"4
9
÷5×class="stub"5
6

=class="stub"4
9
×class="stub"1
5
×class="stub"5
6

class="stub"2
27


(3)class="stub"7
8
÷class="stub"3
4
÷class="stub"7
12

=class="stub"7
8
×class="stub"4
3
×class="stub"12
7

=2;

(4)class="stub"8
5
÷class="stub"5
9
÷24
=class="stub"8
5
×class="stub"9
5
×class="stub"1
24

=class="stub"3
25


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

=class="stub"1
48

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