78的34是______;57的45是______.-数学

题目简介

78的34是______;57的45是______.-数学

题目详情

7
8
3
4
是______;
5
7
4
5
是______.
题型:填空题难度:中档来源:不详

答案

(1)class="stub"7
8
×class="stub"3
4
=class="stub"21
32

(2)class="stub"5
7
×class="stub"4
5
=class="stub"4
7

答:class="stub"7
8
class="stub"3
4
class="stub"21
32
class="stub"5
7
class="stub"4
5
class="stub"4
7

故答案为:class="stub"21
32
class="stub"4
7

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