口算6×17=710×57=23×23=67+6=25×12=89×4=0.5-14=1445×1521=-数学

题目简介

口算6×17=710×57=23×23=67+6=25×12=89×4=0.5-14=1445×1521=-数学

题目详情

口算
1
7
=
7
10
×
5
7
=
2
3
×
2
3
=
6
7
+6=
2
5
×
1
2
=
8
9
×4=
0.5-
1
4
=
14
45
×
15
21
=
题型:解答题难度:中档来源:不详

答案

class="stub"1
7
=class="stub"6
7
class="stub"7
10
×class="stub"5
7
=class="stub"1
2
class="stub"2
3
×class="stub"2
3
=class="stub"4
9
class="stub"6
7
+6=6class="stub"6
7
class="stub"2
5
×class="stub"1
2
=class="stub"1
5
class="stub"8
9
×4=class="stub"32
9
0.5-class="stub"1
4
=class="stub"1
4
class="stub"14
45
×class="stub"15
21
=class="stub"2
9

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