问题 解答题
直接写出得数.
7
18
×
4
21
=
8
7
÷
16
14
=
7
15
÷
7
9
=
1.8÷
9
10
=
0.2÷3=
2
3
÷
1
9
=
4
5
×
3
8
=
9
8
×
120
121
×0=
3
4
×
4
5
÷
3
4
×
4
5
=
18÷
3
5
÷
2
3
=
答案

7
18
×
4
21
=
2
27

8
7
÷
16
14
=1,

7
15
÷
7
9
=
3
5

1.8÷

9
10
=2,

0.2÷3=

2
30
2
3
÷
1
9
=6,
4
5
×
3
8
=
3
10
9
8
×
120
121
×0=0,
3
4
×
4
5
÷
3
4
×
4
5
=
16
25
18÷
3
5
÷
2
3
=45.

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