递等式计算.(能用简便算法的用简便方法计算)1.5×105 2.33×0.5×4 24.6+18.7+15.41.2×2.5+0.8×2.5 2.05÷0.82+33.6 9.07﹣22.78÷3.4.
用自己喜欢的方法计算.(1)1.73+1.73×3.5+5.5×1.73 (2)3.5×[(1﹣0.05)÷1.9](3)68×0.11+8.9×6.8 (4)8.88÷3.7×1.25.
用递等式计算,能简便计算的要简便计算.0.034×0.5×0.6 50.4×1.9﹣1.825.8+3.76×0.25 102×0.45.
用递等式计算,能简便计算的要简便计算.0.034×12.5×0.8 100.4×1.9﹣1.9×0.425.8+3.76×0.25 101×0.45.
脱式计算4.8+4.2÷60 279+141+121 25×23×4102×88﹣2×88 (40+4)×25 13.75﹣5.28﹣4.72.
递等式计算(能简算的要简算)4.65﹣2.55﹣1.45 6.4÷(0.3×2+0.2) 201×6.5﹣6.5 2.2×0.25+2.8×0.25.