脱式计算:0.75÷0.25+× (8.6×0.5﹣)÷12 ÷[﹣(+)] [800×(1+25%)﹣360×1.5]÷25% 15﹣[+(2.5﹣)]÷0.125.
脱式计算(能简算的要简算) 70.9﹣48.32÷1.6()×36÷[()×]×23+16××60.
递等式计算,能简便的用简便方法计算 5.41+3.46﹣2.46 2.03﹣0.18﹣2.82+7.9710﹣4.44﹣5.56 32.63+7.89﹣6.4125×25×3297×88.
计算(能简便的要简便计算) (1)7.4﹣0.15×2.8 (2)0.008+0.92×5﹣1.28 (3)7.8÷(1.3×4) (4)7.2×0.9+0.1×7.2.
递等式计算(能简便的要简便) 0.8×(1.25+1.25+1.25) 2.5÷[(10.75﹣4.5)×0.4]15.37﹣7.59+5.73﹣12.41 1.25×48×0.253.7×1.2+4.3×1.211.72﹣7.85﹣(1.26+0.46)
能简算则简算 12.45﹣9.62+0.370.83+0.9+0.1+0.176.32﹣(5.26﹣3.68) 35×8+35×11+3532×125×25(135+415)÷5﹣16.