文档介绍:分数计算题 ( 100 分)
一、分数与整数相乘。(每题 1 分;共 24 分)
5
6
11
2
12 × 4=
26
× 13 =
15 × 5=
13
× 6 =
1
× 8 =
12
5
9
9
× 11 =
4
×=42
×=
44
16
28
6 × 15 =
24
× 13 =
2 ×7=
3
× 20=
5
48
21
10
4
7
9
13
25 × 15=
18
× 12=
16
×20
=
17× 51 =
14
10
9
3
15
× 30=
11 × 121=
14
× 21
=
5×
11 =
7
× 7=
16
× 54=
11
9
14
× 20=
9
27
× 22 =
15
二、分数和分数相乘。(每题 1 分;共 18 分)
2
3
6
7
5
8
9
7
5 × 4 =
7 × 8 =
9 × 15 =
11 × 15 =
12
15
4
9
2
15
7
5
25 × 16 =
5 × 10 =
3 × 16 =
8 × 21 =
4
27
=
14
25
=
20
3
=
7
18
=
×
15
×
27
×
9
×
9
16
21
8
35
6
22
17
45
19
11
8
17
11
× 15
=
27
×68
=
33
× 38
=
17
×20
=
12
17
3
26
34
× 36
=
13
×37 =
三、分数乘、加、减混合。 (每题 2 分;共 16 分)
7
50
2
4
15
5
3
2
5
4
16 × ( 63 - 7 )
5 × 16 × 14
6 ×4 + 1
3 + 12 ×15
9 - 5 ×27
1- 18 × 38
6 ×( 5- 5
)
19 × 7+ 8
14
9
35
19
45
15
13
91
13
1 / 2
四、分数乘、加、减简便运算。 (每题 2 分 ;共 42 分)
13
7
5
11
9
17
15
× 26 ×5
(
8
+ 12 ) × 24
14
× 18
× 14