脱式计算.
3375÷27×12 | (0.75+10.2)÷0.25×25% | (4-1.6×)÷4 | 2×[1-(-)]. |
脱式计算.(能简算的要简算) 7820-375-625 | 25×33×4 | 329+753+571+47 | 75+47×3 |
2500÷4÷25 | (16+24)×35÷70 | 875+209+191-75 | 57×43+33×43. |
3375÷27×12 | (0.75+10.2)÷0.25×25% | (4-1.6×)÷4 | 2×[1-(-)]. |
脱式计算.(能简算的要简算) 7820-375-625 | 25×33×4 | 329+753+571+47 | 75+47×3 |
2500÷4÷25 | (16+24)×35÷70 | 875+209+191-75 | 57×43+33×43. |