下面各题怎样算简便就怎样算.3.28×4.6+6.72×4.6 0.25×1.25×0.49.73×2.8﹣4.73×2.8. 12.5×4+3.12÷1.225.2﹣(7.8﹣2.6)×1.3 14.08÷[0.8×(7.93﹣2.43)].
用你喜欢的方法计算×[1÷(+)]42×0.99 1.25×0.32+4%×99(+)×12.
脱式计算. (+﹣)×241634﹣248÷8×20 474.7÷[9.4÷(10.98﹣8.98)]×[×(﹣)].
计算下题,能简便的要简便计算,并写出必要的过程. ①6.6﹣48×÷4.8②×0.6+÷③63×+36×+75% ④[3.6﹣(+1÷3)]×⑤0.008×0.000125+0.0125÷0.04⑥1﹣﹣﹣﹣.
用简便方法计算. 6×9+9.2×4+9(3.75+4.1+2.35)×9.8.
脱式计算(能简算要简算) (1)(66﹣32×1.2)÷0.25(2)10×+17×75%﹣7×0.75 (3)0.25×(5(3﹣2.5×))(4)9.99×22.2+33.3×3.34.