| 直接写得数. 50×12= | 3.02+0.98= | 2-0.44= | 3×2+9×2= |
| 0.39+1.11= | 75÷25×3= | 6.27-1.55-1.45= | 4×7×25= |
| 126.5÷100= | 0.18×10= | 1540-240= | 350÷70= |
下面各题怎样简便就怎样算.
| 24×( | 3- | |
| 直接写得数. 50×12= | 3.02+0.98= | 2-0.44= | 3×2+9×2= |
| 0.39+1.11= | 75÷25×3= | 6.27-1.55-1.45= | 4×7×25= |
| 126.5÷100= | 0.18×10= | 1540-240= | 350÷70= |
| 24×( | 3- | |