口算显身手.38×2=78×87=13×12=12-37=512×15=1×78=1415×0=3×13=165×516=-数学

题目简介

口算显身手.38×2=78×87=13×12=12-37=512×15=1×78=1415×0=3×13=165×516=-数学

题目详情

口算显身手.
3
8
×2=
7
8
×
8
7
=
1
3
×
1
2
=
12-
3
7
=
5
12
×
1
5
=
7
8
=
14
15
×0=
1
3
=
16
5
×
5
16
=
题型:解答题难度:中档来源:不详

答案

class="stub"3
8
×2=class="stub"3
4
class="stub"7
8
×class="stub"8
7
=1,
class="stub"1
3
×class="stub"1
2
=class="stub"1
6
12-class="stub"3
7
=11class="stub"4
7
class="stub"5
12
×class="stub"1
5
=class="stub"1
12
class="stub"7
8
=class="stub"7
8
class="stub"14
15
×0=0,
class="stub"1
3
=1,
class="stub"16
5
×class="stub"5
16
=1.

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