脱式计算376﹣96÷8 854÷(56﹣49) 76+24×5.
脱式计算32×0.16×2.5×1.25 6.4×4.2﹣4.2×(0.3+)×1.6﹣9÷[1﹣(+)].
计算下面各题,能简便的要简便计算.16.2﹣4.65+5.35 6000÷125 13.7﹣6.38+6.3﹣4.32(45+405÷27)×120 125×250×32 333×444+666×778.
简便运算.(1)0.54×40.5﹣0.44×40.5= (2)1.4×2.5×40= .
计算.①7.5×1.8÷0.15 ②12.4÷0.8﹣9.64 ③7.65×2.4+1.64④12.3﹣10.8÷4.5 ⑤44.28÷4.1÷0.9+2.5 ⑥39.87×4.58﹣29.87×4.58.
计算下面各题.(能简算的用简便算法)①12.36﹣6.49﹣3.51 ②8.5×3.8+8.5×6.2③0.2÷2.5×(4.2﹣1.075)④[3.2﹣3.2×(30.4﹣29.85)]÷1.8.