来自胡赞民的问题
脱式计算.8.9×5.2+9.31.4×[(7.5+38.4)÷0.9]9.4×8.4+5.81.3×2.2-0.20.9+8.3×8.330.1÷[(6.07+2.53)×0.7].
脱式计算.
8.9×5.2+9.31.4×[(7.5+38.4)÷0.9]9.4×8.4+5.81.3×2.2-0.20.9+8.3×8.330.1÷[(6.07+2.53)×0.7].
1回答
2020-04-07 12:27