34×______=______×47=56×______=1-______.-数学

题目简介

34×______=______×47=56×______=1-______.-数学

题目详情

3
4
×______=______×
4
7
=
5
6
×______=1-______.
题型:填空题难度:中档来源:不详

答案

假设第一个空的答案为class="stub"2
3

则第二个空的答案是:class="stub"3
4
×class="stub"2
3
=class="stub"1
2
class="stub"1
2
÷class="stub"4
7
=class="stub"1
2
×class="stub"7
4
=class="stub"7
8

则第二个空的答案是:class="stub"3
4
×class="stub"2
3
=class="stub"1
2
class="stub"1
2
÷class="stub"5
6
=class="stub"1
2
×class="stub"6
5
=class="stub"3
5

则第四个空的答案是class="stub"3
4
×class="stub"2
3
=class="stub"1
2
,1-class="stub"1
2
=class="stub"1
2

故答案为:class="stub"2
3
class="stub"7
8
class="stub"3
5
class="stub"1
2

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