用自己喜欢的方法计算下面各题.〔1﹣(﹣)〕×;32.4×0.9+0.1×32.4;1.25×0.25×32; ×[1÷(﹣)].
用简便方法计算,并写出计算过程10﹣0.35﹣0.65 25×1.25×32.
计算.能简算的要简算,并写出简算过程.(1)(0.12+0.22+0.32+0.42)2÷(0.13+0.23+0.33+0.43)(2)3.97÷7+×4.03﹣(3)0.0021×[1+2.93÷(11﹣1.9)]÷0.001(4)0.125×0.25×0.5×64 (5)4936×(0.75×42.7﹣0.573×25+57.3)÷3.
888×1.125 45×0.25+36÷4+×19
用简便方法计算,写出简算过程(1)2.5×3.2×1.25 (2)4.05﹣(2.05+)(3)5.39++4.61+ (4)0.588×+4×9.412+×0.588.
计算下面各题,能简算的要简算.7.28++2.72+ (+)÷ 168.1÷(4.3×2﹣0.4)36×+36×0.375 +÷.