213+213=______×______=()()37×4=()×()()=()().-数学

题目简介

213+213=______×______=()()37×4=()×()()=()().-数学

题目详情

2
13
+
2
13
=______×______=
(    )
(    )

3
7
×4
=
(    )×(    )
(    )
=
(    )
(    )
题型:填空题难度:中档来源:不详

答案

(1)class="stub"2
13
+class="stub"2
13
=class="stub"2
13
×2=class="stub"4
13


(2)class="stub"3
7
×4
=class="stub"3×4
7
=class="stub"12
7

故答案为:class="stub"2
13
,2,class="stub"4
13
class="stub"3×4
7
class="stub"12
7

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