直接寫得數(shù).
1
3
×1=

1
4
×
2
5
=

5
6
×12=

7
12
×
3
14
=

30×
3
5
=
7
18
=
2
3
×
9
10
=
4
25
×50=
1
6
=
4
11
×
11
4
=
分析:根據(jù)分?jǐn)?shù)乘法的計(jì)算方法進(jìn)行計(jì)算.據(jù)此解答.
解答:
解:
1
3
×1=
1
3
1
4
×
2
5
=
1
10
5
6
×12=10
7
12
×
3
14
=
1
8
30×
3
5
=18
7
18
=
7
2
2
3
×
9
10
=
3
5
4
25
×50=8
1
6
=1
4
11
×
11
4
=1
點(diǎn)評(píng):本題主要考查了學(xué)生分?jǐn)?shù)乘法的計(jì)算能力.
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