310+310+310=______×______=______720+720+720+720=______×______=______.-六年级数学

题目简介

310+310+310=______×______=______720+720+720+720=______×______=______.-六年级数学

题目详情

3
10
+
3
10
+
3
10
=______×______=______
7
20
+
7
20
+
7
20
+
7
20
=______×______=______.
题型:填空题难度:中档来源:不详

答案

(1)class="stub"3
10
+class="stub"3
10
+class="stub"3
10
=class="stub"3
10
×3=class="stub"9
10


(2)class="stub"7
20
+class="stub"7
20
+class="stub"7
20
+class="stub"7
20
=class="stub"7
20
×4=class="stub"28
20
=class="stub"7
5

故答案为:class="stub"3
10
,3,class="stub"9
10
class="stub"7
20
,4,class="stub"7
5

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