来自潘思的问题
脱式计算,能用简便算法的要用简便算法.5.4×910+3.6÷109+0.978×3796-314+3459×[34-(716-14)][47-(18.875-1÷815)]÷0.46×4625.
脱式计算,能用简便算法的要用简便算法.
5.4×910+3.6÷109+0.9
78×379
6-314+34
59×[34-(716-14)]
[47-(18.875-1÷815)]÷0.46×1090.
1回答
2020-04-30 16:20