直接写出得数.
| 1.53+47= | |||
| 1-25%= | |||
| 0.6÷ | 125×8= | 0.8÷1.6= | |
| ( | 402-62-38= | 752-598= | 99+999+2= |
快乐口算.
| 17×5= | 480×2= | 560÷80= | 78÷13= | 2×350= | 8×12= |
| 360÷90= | 460+50= | 602×39≈ | 398÷21≈ | 8-8÷4+6= | 0÷10×100= |
| 1.53+47= | |||
| 1-25%= | |||
| 0.6÷ | 125×8= | 0.8÷1.6= | |
| ( | 402-62-38= | 752-598= | 99+999+2= |
| 17×5= | 480×2= | 560÷80= | 78÷13= | 2×350= | 8×12= |
| 360÷90= | 460+50= | 602×39≈ | 398÷21≈ | 8-8÷4+6= | 0÷10×100= |