计算下面各题715×314=94×115=2933×4487=9×29×512=16+57×1425×512×1415=-数学

题目简介

计算下面各题715×314=94×115=2933×4487=9×29×512=16+57×1425×512×1415=-数学

题目详情

计算下面各题
7
15
×
3
14
=
9
4
×
11
5
=
29
33
×
44
87
=
2
9
×
5
12
=
1
6
+
5
7
×
14
25
×
5
12
×
14
15
=
题型:解答题难度:中档来源:不详

答案

(1)class="stub"7
15
×class="stub"3
14

=
=class="stub"1
10


(2)class="stub"9
4
×class="stub"11
5

=class="stub"9×11
4×5

=class="stub"99
20


(3)class="stub"29
33
×class="stub"44
87


=class="stub"4
9


(4)9×class="stub"2
9
×class="stub"5
12

=2×class="stub"5
12

=class="stub"5
6


(5)class="stub"1
6
+class="stub"5
7
×class="stub"14
25
×class="stub"5
12
×class="stub"14
15

=class="stub"1
6
+class="stub"2
5
×class="stub"5
12
×class="stub"14
15

=class="stub"1
6
+class="stub"1
6
×class="stub"14
15

=class="stub"1
6
+class="stub"7
45

=class="stub"29
90

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