分数乘法口算160题
7
3
6
3
—X
-X4 =
14X —=
12
7
5
28
2
3
2
13
-X:
L--
-X12 =
—X6 =
9
8
9
24
2
3
2
3
—X
3-—
-X 10 =
42 X -=
27
8
5
7
11
1 3
2
—X
:5 =
_ )(一二
-X5 =
15
9 8
9
19
2
8 3
—X
15 =
5x -
—x —=
20
15
9 8
1
2
2
19X
F —于
-X4 =
—X30-
8
5
10
5
3
3
36 X
2X—=
14X -=
12
14
8
2
3
3
3
-X
11X —=
21X —=
6
8
11
14
3
3
3
3X
—=
16X- =
15X- =
8
8
5
4
3
5
—X
:5 =
7X -
-X2 =
15
21
6
3
4 5
4
5
16 X -=
—x ——
-X
8
5 16
5
24
4
8
5
-X6 =
7X—=
-X
12 =
5
21
8
3
5 3
4
12X- =
-X-=
-X
25 =
8
2 8
5
3
4 15
4
46
15X —=
-X —=
5 3
—X
—
10
23
8
3 8
3
4
_ X ―二
-X3 =
-X
18 =
4 9
5
9
4 3
4
4
7
—X —=
-X5 =
-X
—=
9 8
5
7
8
4 3
3
5
14
-X—=
3X—=
-X
5 16
16
7
8
3
25 11
4
3
24 X -=
—X —=
一 X
8
22 50
5
8
4
4 3
4
3
-X 10 =
—X —=
—X-=
5
9 8
15
8
3
5
4
5
8X -=
—X 14 =
—X-=
8
56
35
8
4 25
1 14
2 3
—X —
—X —=
—X —=
15 12
7 9
27 8
7 3
3
40 9
—X —=
IX —=
—X —=
6 21
81
9 8
4
7
25 11
-X45 二
—X 2 —
—X —=
5
18
11 50
3
3
3 12
56X- =
—X3 -
-x—=
8
24
4 4
3
3
3
16X- =
—X4 =
7X—=
4
44
14
4 S
2
4 3
-X-=
—X7 =
—X —=
5 6
49
15 8
4
2
2
-X0 =
12X- =
15 X 3 ——
5
3
15
5 3
2
2 3
—X-=
-X25 =
-X 4-=
18 5
5
9 8
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