
1.1 × 1=.1
1.2 × 1=.2
1.3 × 1=.3
1.4 × 1=.4
1.5 × 1=.5
1.11 × 1.11=
1.6+2.4 × 0.3 = 2-.140.9=3.99 ×1=0.43+3.57=
用简易方法计算下边各题
6.3+0.87+3.7+8.16=
18.75-0.43-4.57=
7.2+2.8=
0.36+0.=
8-2.5=
1.83+2.7=
13.8+9.9=
3.8+4.29+2.1+4.2=
8.3-2.63=
32.8+5.6+7.2=
3.5+7.6=
12-6.2-3.8=
1 / 6
1.7+0.43+3.3=
5.4-2.5-1.4=
0.99+1.8=
2.56-0.37=
3.9+2.03=
2.14-0.9=
| 7.15 | × 22 90.75 | ÷ 3.3 3.68 | × 0.25 | |||||
| 16.9 | ÷ 0.13 1.55 | ÷ 3.9 3.7 | × 0.016 | |||||
| 13.76 × 0.8= 5.2 | × 0.6 8.4 | × 1.3 | ||||||
| 6.4 × 0.5 4.48 × 0.4 5.25 × 5 | ||||||||
| 35.4 | × 4.2 0.042 | × 0.54 0.76 | × 0.32 | |||||
| 0.25 | × 0.046 2.52 | × 3.4 1.08 | × 25 | |||||
| 2.5 × 7.1 × 4 16.12+16×.9912 5.2 | ×+ | |||||||
| 7.28 | × 99+7.28 4.3 | × 50×-02..2× 0.5 | ||||||
| 26× 15.+7 | 15.7 × 24 (2.275+0.625) | × 0.28 | ||||||
| 3.94+34.3 | × 0.2 1.2 × (9.6 | ÷ 2.4) | ÷ 4.8 | |||||
| 8.9 × 1.1 × 4.7 2.7 | × 5.4 × 3.9 3.6 | × | ||||||
| 8.05 | × 3.4+7.6 6.58 | × 4.5 × 0.9 2.8 | × 0.5+1.58 | |||||
| 32+4.9-0.9 4.8- 4.8 × 0.5 (1.-250.125) | × 8 | |||||||
| 4.8 × 100.1 56.5 | +×5699.5 7.09 | × 10-.08.8 × 7.09 | ||||||
| 4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 | × 7.4 | |||||||
| 12.5 | × 0.4 × 2.5 × 8 0.87 × 3.16+4. 9.5 × 101 |
| 0.68 | ÷(5.2 -3.5)× 1.25 |
| 40.5 | ÷ 0.81 × 0.18 (4.815÷×2.)42.13. × 0. × 8257 |
| (9.37+9.37+9.37+9.37) | ×2.5 4.2. ×+1. | 1. × 1.75 | |||||||
| 2.37 | × 6.3+2.37 | × 3.7 2.5 | × 1.25 × 0.32 | 3.8 × 10.1 | |||||
| 2.5 | × (3.8 | × 0.04) 7.69 | × 101 3.8 × 10.1 | ||||||
| 0.25 | × 39+0.25 0.125 | × 72 46 × 0.33+54 | × 0.33 | ||||||
| (8 × 5.27) | × 1.25 6.81+6.81 × 99 0.25 | × 185× 40 | |||||||
| 6.8 | × 0.75 ÷ 0.5 3.75 –÷2.075.125.53+23.4 | ÷ 7.2 | |||||||
| 9.5 | × 99 13.5 × 0.98 12.5 | × 8.8 | |||||||
| 0.43 | × 0.28= 6.45 × 0.73= 4.6 | × 0.6= | |||||||
| 8.9 | × 0.05= 3.08 | × 0.43= 1.5 | × 26.7= | ||||||
| 5.22 | ÷ 29= 18.72 | ÷ 3.6= 13.95 | ÷ 3.1= | ||||||
| 7.15 | × 22 | 90.75 | ÷ 3.3 3.68 × 0.25 | ||||||
| 3.94+34.3 | × 0.2 2.08 | × (9.6 ÷ 2.4) ÷ 4.8 | |||||||
5.6 × 2.9
3.77 × 1.8
0.02 × 96
5.22 × 0.3
3 / 6
9.99 × 0.02
4.67 × 0.9
5× 2.44
1.666 × 6.1
9.432 × 0.002
5.6 × 6.5
4.88 × 2.9
5.61 × 4.3
8.9 × 2.4
5.5 × 55
9.77 × 0.02
1.384 × 5.1
8.78 × 83
2.6 × 61
0.059 × 0.2
4.268 × 1.7
57× 5.7
9.46 × 2.85
17.8 × 6.4
1.5 × 4.9
2.5 × 0.88
4 / 6
5.555 × 5.2
2.22 × 3.33
7.658 × 85
36.02 × 0.3
56.78 × 8
除法:
85.44 ÷ 16
42.84 ÷ 7
101.7 ÷ 9
67.5 ÷ 15
230.4 ÷ 6
21.24 ÷ 36
0.736 ÷ 23
43.5 ÷ 12
35.21 ÷ 7
39.6 ÷ 24
6.21 ÷ 0.03
210÷ 1.4
51.3 ÷ 0.27
91.2 ÷ 3.8
0.756 ÷ 0.18
5 / 6
0.66 ÷ 0.3
11.97 ÷ 1.5
69.6 ÷ 2.9
38.4 ÷ 0.8
15÷ 0.06
(循环小数的用简易方法 ,除不尽保存 2 位小数):
8.2 ÷ 0.12
0.8 ÷ 0.9
76.4 ÷ 5.4
4.7 ÷3
1.25 ÷ 1.2
32÷ 42
14.36 ÷ 2.7
8.33 ÷ 6.2
1.7 ÷ 0.03
2.41 ÷ 0.7
6 / 6
