直接寫得數(shù).
1
3
×0=
1
4
×
2
5
=
5
6
×12=
7
12
×
3
14
=
8
9
÷
8
3
=
3
10
÷
10
3
=
7
18
=
2
3
×
9
10
=
18×
1
6
=
8
9
÷
3
7
=
1
3
÷
1
12
=
4
7
÷12=
分析:利用分?jǐn)?shù)乘法和除法的計(jì)算法則進(jìn)行計(jì)算即可.
解答:
解:
1
3
×0=0
1
4
×
2
5
=
1
10
5
6
×12=10
7
12
×
3
14
=
1
8
8
9
÷
8
3
=
1
3
3
10
÷
10
3
=
9
100
7
18
=3
1
2
2
3
×
9
10
=
3
5
18×
1
6
=3
8
9
÷
3
7
=2
2
27
1
3
÷
1
12
=4
4
7
÷12=
1
21
點(diǎn)評(píng):做除法時(shí),注意除以一個(gè)數(shù)變?yōu)槌艘赃@個(gè)數(shù)的倒數(shù).
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