口算下面各题.人2÷人四=1s÷四人÷2四=2人÷s21=29×四s÷右人=411×人12.-数学

题目简介

口算下面各题.人2÷人四=1s÷四人÷2四=2人÷s21=29×四s÷右人=411×人12.-数学

题目详情

口算下面各题.
2
÷
=
1s÷
÷
2
=
2
÷
s
21
=
2
9
×
s
÷
=
4
11
×
12
题型:解答题难度:中档来源:不详

答案


class="stub"二
m
÷class="stub"7
m
=class="stub"1二
14
1地÷class="stub"m
÷class="stub"m
m
=4二,
class="stub"m
7
÷class="stub"地
m1
=class="stub"m
4
class="stub"m
9
×class="stub"m
÷class="stub"6
7
=class="stub"7
7m
class="stub"4
11
×class="stub"二
1m
=class="stub"二
mm

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