| 你能想出简便方法来计算下面各题吗? 25×5+74×5+5 | 6.74+12.62+24.38+3.26 | 87-2.123-0.877 |
| 30.65-(7.65+5.4) | (40+8)×125 | 32×38+32×62. |
直接写出得数.
| 1.9+1.1= | 2-0.98= | 13.7+0.03= | 4.1-3.3= | 4-0.04= | 3.8-2.8= |
| 7.9-0= | 6-5.2= | 0.7×10= | 3.005×100= | 60÷1000 | 1.52÷10= |
| 你能想出简便方法来计算下面各题吗? 25×5+74×5+5 | 6.74+12.62+24.38+3.26 | 87-2.123-0.877 |
| 30.65-(7.65+5.4) | (40+8)×125 | 32×38+32×62. |
| 1.9+1.1= | 2-0.98= | 13.7+0.03= | 4.1-3.3= | 4-0.04= | 3.8-2.8= |
| 7.9-0= | 6-5.2= | 0.7×10= | 3.005×100= | 60÷1000 | 1.52÷10= |