用简便方法计算下面各题,要写出计算过程.①1.25×0.25×32 ②0.2×60.4+60.4+9.8.
计算下面各题,能简算的要简算.①0.65×101 ②76.43﹣5.33﹣4.67 ③3.4÷[7.8﹣(3.9+2.2)]④13.7÷12.5÷0.8 ⑤3.25×8.4+6.75×8.4 ⑥[1.4×2﹣(0.65+0.55)]÷40.
计算下面各题能简算的要简算.12.25+36+7.75 23.7×0.25×8 4.8÷0.24÷22.3+9×(22﹣19.7) 0.8×[13﹣(3.12+5.28)] 10.1×87.
直接写得数.11×1.8+8.2×0.11 0.6×(1.4﹣2.99÷2.3) 4÷(3.94+0.86)×0.8 0.25×32×1.25.
怎样简便就怎样计算①1.25×1.4×8 ②15﹣1.7﹣1.3 ③7×0.2×1.5④32.2×4+17.8×4 ⑤10.1×87 ⑥47.2÷4÷5.9.
灵活计算,能用简便方法的要简算.10.1×85 125×9.3×0.08 43.72×7.9+2.1×43.2793÷0.25÷4 2.3+3.91÷(22﹣19.7) 7.92×6﹣18.45÷36.78+6.78×99 18﹣(1.4+1.25×2.4) 0.8×[13﹣(3.12+5.28)].