57÷5857×5856÷3456×34120÷34120×34712÷21712×21.-数学

题目简介

57÷5857×5856÷3456×34120÷34120×34712÷21712×21.-数学

题目详情

5
7
÷
5
8
5
7
×
5
8
5
6
÷
3
4
5
6
×
3
4
120÷
3
4
120×
3
4
7
12
÷21
7
12
×21.
题型:解答题难度:中档来源:不详

答案

class="stub"5
7
÷class="stub"5
8
=class="stub"8
7
class="stub"5
7
×class="stub"5
8
=class="stub"25
56
class="stub"5
6
÷class="stub"3
4
=class="stub"10
9
class="stub"5
6
×class="stub"3
4
=class="stub"5
8
120÷class="stub"3
4
=160,
120×class="stub"3
4
=90,
class="stub"7
12
÷21=class="stub"1
36
class="stub"7
12
×21=class="stub"49
4

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