题目内容
计算下题,能简算的要简算.
2.5×0.32×1.25
1
(7.7+2.8×0.7)÷(0.6-0.48)
7.321÷5÷0.2
18.6×[1÷(8.1-8.09)]
(0.8×0.4+0.8×0.6)×1.25