问题 解答题
算一算:
1
5
×3=
2
9
×5=
3
4
×8=
2
13
×26=
9
14
×7=
3
10
×5=
4
9
×12=
8
21
×3=
5
34
×34=
27
100
×200=
23
96
×0=
17
181
×1=
答案

1
5
×3=
3
5

2
9
×5=
10
9

3
4
×8=6,

2
13
×26=4,
9
14
×7=
9
2
3
10
×5=
3
2
4
9
×12=
16
3
8
21
×3=
8
7
5
34
×34=5,
27
100
×200=54,
23
96
×0=0,
17
181
×1=
17
181

单项选择题
单项选择题