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单元 5 第 1 课时 鸽巢问题(1)(教材 P68)
6 年级 下 R
4. 8 × 712 = 63 ×
8
9 = 5. 4 ÷
6
7 = 93 ×
2
3 =
1
3 ÷ 2 =
1
6 ÷
5
9 = 120 ×
5
6 = 3 ÷
6
11 =
2. 4 × 54 =
3
4 ÷
1
9 = 0. 6 ×
2
3 =
12
19 ×
5
6 =
1
4 ×
2
3 =
5
6 ÷
9
5 =
8
15 ÷ 1. 25 = 52 ÷ 13% =
5
8 ÷
7
4 =
1
6 -
1
12 = 360 ×
4
9 = 3. 5 - 150% =
4
5 -
1
10 = 4. 8 ÷ 12% =
3
2 ×
2
5 =
7
9 +
5
18 =
4
5 ×
1
3 =
2
7 ×
3
6 =
8
21 ÷
4
7 =
5
24 ×
4
5 =
4
11 ×
5
7 -
3
11 ÷
7
5
2
3 + (
4
7 +
1
2 ) ×
7
25
4
5 ÷ [(
5
8 -
1
2 ) ÷
5
8 ]
1
6 +
2
3 x =
11
9
4
5 x -
1
10x =
21
85
3
5 x -
1
4 = 1
54
单元 5 第 2 课时 鸽巢问题(2)(教材 P70)
6 年级 下 R
48 ÷ 60% = 57 ×
21
25 =
3
8 ÷
3
4 = 63 ÷ 90% =
7
20 ÷
14
15 =
1
6 ×
3
5 =
5
6 ÷ 20% =
1
4 ÷
9
10 =
45 ÷ 90% = 50% ÷ 710 =
1
3 ÷
5
8 = 15 ×
3
5 =
6. 4 × 58 =
7
2 ×
3
14 =
3
8 ÷ 75% =
7
16 ×
8
7 =
15 ÷ 35 =
5
6 ÷ 10 =
3
8 +
1
3 =
4
3 ×
1
2 =
6
5 ÷
3
10 =
12
13 ×
13
4 = 15 ÷ 30% =
11
12 × 0. 36 =
2. 1 ÷ 12 =
1
6 ÷
9
5 =
1
3 ÷
5
6 =
2
3 ×
5
12 =
( 89 -
4
27) ÷
1
27 (1 -
1
2 ×
7
4 ) ÷
10
11
5
14 ÷ [
5
26 × (
3
7 +
1
2 )]
7
24x +
3
16x =2
3
5 x -
1
4 = 1
7
3 +
4
5 x =3
64
单元 5 第 3 课时 练习课(教材 P71)
6 年级 下 R
1
6 ÷
5
8 =
3
4 ×
5
6 = 40 ÷ 20% =
3
7 ÷
9
10 =
5
2 -
1
3 =
1
4 ÷
8
3 =
5
6 ÷
1
9 =
3
5 ×
5
6 =
2. 7 × 29 =
1
2 +
2
3 =
5
6 ÷
5
12 = 56. 3 ÷ 100 =
3
8 +
5
8 = 30 ×
2
3 = 5. 1 ÷ 17 = 7. 2 ÷ 0. 08 =
70 × 30% = 600 × 0. 3% = 3 ÷6% = 2 - 25 =
37. 5% ÷ 38 =
2
9 ×
5
18 = 0. 1 ×
3
5 =
1
4 ÷ 16 =
3
5 ÷
3
4 =
7
6 ×
12
5 =
5
8 ÷
1
6 =
1
2 ÷
2
5 =
[ 12 - (
3
4 -
3
5 )] ÷
7
10
4
5 ×
5
6 +
2
5 ÷
3
5
4
5 ÷ [(
5
8 -
1
2 ) ÷
5
8 ]
5x + 12 x =
9
2 25%x +55%x =
4
5
4
5 x ×
2
3 =
3
5
74
单元 5 第 5 单元计算易错专练
6 年级 下 R
1. 直接写出得数。
0. 8 ÷ 25 =
6
7 ÷
2
5 =
9
10 ×
2
3 =
3
4 ÷
5
6 =
3
8 ÷ 5 =
4
15 ×
5
12 = 3. 6 ×
5
48 = 720