内容正文:
单元 9 第 1 课时 数与代数(1)
5 年级 下 R
9. 8 × 10 = 2. 4 × 0. 5 = 2. 91 + 9. 09 = 8. 3 - 7. 25 =
8 ÷ 0. 8 = 0. 51 × 2 = 3. 6 × 0. 5 = 3. 3 ÷ 0. 11 =
0. 99 ÷ 0. 3 = 50 × 0. 18 = 7. 2 ÷ 0. 12 = 1. 23 - 1. 13 =
1. 05 × 2 = 2. 5 ÷ 25 = 40 ÷ 0. 1 = 3. 1 × 0. 4 =
5
8 -
3
8 =
15
31 -
7
31 =
5
4 +
2
3 =
11
7 -
5
14 =
7
15 -
1
3 =
2
3 -
1
6 = 1 -
3
7 =
3
4 -
7
12 =
5
7 -
2
3 =
5
6 -
5
7 =
7
10 +
3
10 =
5
6 -
2
6 =
9
10 -
5
7 =
4
7 +
1
5 =
2
3 -
2
9 =
1
3 -
3
10 =
1
8 +
7
24 =
2
3 -
1
2 =
5
6 +
3
4 =
7
8 -
1
4 =
3. 91 ÷ (5 - 1. 09) 1 59 -
7
18 -
1
9
6
7 + 1
3
14 -
1
7
x - 32 =
5
6 (2x -10) × 6 = 24 x +
2
15 =
4
15 +
1
3
96
单元 9 第 2 课时 数与代数(2)
5 年级 下 R
0. 08 + 5 = 41 × 0. 4 = 0. 86 ÷ 0. 2 = 1. 8 × 30 =
800 × 0. 4 = 1. 2 ÷ 6 = 3. 6 ÷ 40 = 3. 2 ÷ 1. 6 =
7 - 0. 16 = 9. 9 ÷ 3 = 3. 6 ÷ 0. 3 = 1. 2 × 0. 4 =
50. 5 ÷ 5 = 8. 4 - 2. 7 = 0. 364 × 100 = 3. 4 × 0. 2 =
4
5 -
1
4 =
7
16 +
3
4 =
5
12 +
1
3 =
7
8 -
2
8 =
3
5 +
1
4 =
1
12 +
3
4 =
7
9 +
4
5 =
4
5 -
2
5 =
2
6 +
2
5 = 1
5
8 -
1
6 =
4
9 +
4
5 =
4
5 +
2
5 =
1 - 79 =
2
7 +
3
5 = 1
4
9 -
2
3 =
4
17 -
1
34 =
14
5 -
9
5 =
13
15 +
7
30 =
19
24 -
1
2 =
7
11 +
3
55 =
2
3 -
3
10 +
3
5
3
4 -
1
2 +
2
3
3
7 +
8
21 -
9
14
15x -14. 9 = 0. 1 3. 2x +0. 12 × 16 = 5 10x +1. 2x =4. 48
07
单元 9 第 3 课时 图形与几何
5 年级 下 R
4. 2 - 0. 8 = 0. 8 × 0. 4 = 7. 4 + 3. 6 = 2. 5 × 40 =
1. 35 × 20 = 0. 56 ÷ 0. 28 = 6. 1 - 2. 08 = 5. 2 × 8 =
7. 2 ÷ 40 = 0. 06 × 0. 8 = 6. 52 - 5. 12 = 0. 54 × 4 =
3. 6 + 1. 8 = 6. 2 × 0. 3 = 0. 96 ÷ 1. 6 = 2. 8 ÷ 70 =
1 13 -
7
12 =
14
25 -
1
5 = 1
3
7 -
5
7 =
5
9 -
1
3 =
1
12 +
3
4 =
5
11 +
3
4 =
1
5 +
2
7 =
2
3 +
2
5 =
5
6 -
3
4 =
1
9 +
8
81 =
1
9 +
5
9 =
4
5 -
1
3 =
4
15 +
2
15 =
7
8 -
3
8 =
5
7 -
5
28 =
7
9 -
6
27 =
7
6 -
1
2 -
5
24
8
15 -
4
5 +
7
15 2
4
5 -
3
7 -
4
7
2
5 +
3
8 +
5
8
19
9 - (
1
3 +
1
4 )
18
27 - (
2
3 -
3
9 )
17
单元 9 第 4 课时 统计与概率
5 年级 下 R
12. 4 ÷ 0. 4 = 8. 8 ÷ 2. 2 = 、2. 5 ÷ 5 = 3. 9 × 0. 2 =
3. 6 ÷ 0. 3 = 0. 24 + 0. 06 = 7. 8 - 4. 29 = 0. 8 × 0. 7 =
5. 4 - 2. 7 = 7. 8 ÷ 2 = 0. 45 × 100 = 2. 6 ÷ 0. 1 =
1. 5 × 0. 2 = 2. 8 × 0. 3 = 8 ÷ 0. 5 = 0. 48 ÷ 0. 3 =
7
8 -
1
4 =
13
14 -
5
21 =
11
7 -
3
4 =
3
4 +
5
6 =
7
12 -
5
12 =
9
10 +
3
10 = 2 -
5
6 =
5
12 +
7
8 =
4
5 +
1
6 =
7
6 -
1
2 =
7
15 +
4
9 =
7
10 -
3
10 =
14
15 -
4
5 =
3
4 -
1
6 =
5
6 +
3
8 =
3
5 +
2
15 =
5 35 - (
3
5 +
1
4 )
11
8 - (
5
6 +
3
8 ) 10
8
9 - (2
6
7 -
1
9 )
3(x +0. 5) = 21 (200 - x) ÷ 5 = 30 2x + 23 = 3
2
3
27
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