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(4)4.8×12﹣4.8×2 (5)0.6×2.5×0.5×4 (6)3.5×2.34+3.5×7.6.
脱式计算.①6.4÷(0.3×2+0.2)②68.1﹣77.7÷0.7×0.5③3.5×5.2+0.35×48④4.05÷0.81+2.4.
计算下面各题能简算的要简便计算.32÷(11.08﹣1.48)×0.8 11.1×3.58+11.1×5.42﹣+3+﹣+.
计算下列各题,要写出主要计算过程,能简算的要用简便方法计算.①24÷0.2×1.6 ②1.9×2.6+2.6×0.1 ③5.1+34.1÷2.2④0.21×99+0.21 ⑤88.5÷0.8÷125 ⑥1.85×201.
1÷(1﹣0.99)= 0.2×[(1﹣0.6)÷2.5]= 0.25×1.25×32=13.5﹣1.96﹣1.04= 9.8×0.35+0.35×0.2=
用递等式计算下列各题(①、②要简算,并写出简算过程).①56.8﹣6.85﹣13.15 ②2.5×44③12.36﹣2.5×1.6 ④57.6×(8.9﹣5.4)÷15.