问题 解答题
直接写出得数.
9
10
×40=
3
4
-
1
8
=
8
15
×
5
8
=
11
21
=
24×
1
3
=
2
11
×22=
18×
1
6
=
2
9
×
3
7
=
4
9
×
1
10
=
8
25
×
5
4
=
答案

9
10
×40=36;②
3
4
-
1
8
=
5
8
;③
8
15
×
5
8
=
1
3
; ④2×
11
21
=
22
21
; ⑤24×
1
3
=8;

2
11
×22=4;⑦18×
1
6
=3; ⑧
2
9
×
3
7
=
2
21
; ⑨
4
9
×
1
10
=
2
45
;⑩
8
25
×
5
4
=
2
5

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