算一算.(1)715×4(2)59×7(3)411×5(4)8×25(5)7×215.-数学

题目简介

算一算.(1)715×4(2)59×7(3)411×5(4)8×25(5)7×215.-数学

题目详情

算一算.
(1)
7
15
×4

(2)
5
9
×7

(3)
4
11
×5

(4)
2
5

(5)
2
15
题型:解答题难度:中档来源:不详

答案

(1)class="stub"7
15
×4
=class="stub"7×4
15
=class="stub"28
15


(2)class="stub"5
9
×7
=class="stub"5×7
9
=class="stub"35
9


(3)class="stub"4
11
×5
=class="stub"4×5
11
=class="stub"20
11


(4)8×class="stub"2
5
=class="stub"8×2
5
=class="stub"16
5


(5)7×class="stub"2
15
=class="stub"7×2
15
=class="stub"14
15

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