来自邱志欢的问题
计算下面各题,能简算的要简算7.65-0.65×69.43-1.68-4.321.25×0.76×0.80.32×7.5-0.32×4.53.8×10.19.9÷[16.5-(1.7+3.8)].
计算下面各题,能简算的要简算7.65-0.65×69.43-1.68-4.321.25×0.76×0.80.32×7.5-0.32×4.53.8×10.19.9÷[16.5-(1.7+3.8)].
1回答
2020-04-09 20:12