脱式计算 (1)(0.69+0.35)×0.12 (2)〔32-(1.95-1.95)〕÷1.6 (3)15.52-1.6×5-5.7 (

日期:2021-07-22 23:21:32 人气:1

脱式计算 (1)(0.69+0.35)×0.12 (2)〔32-(1.95-1.95)〕÷1.6 (3)15.52-1.6×5-5.7 (