脱式计算,能简算的要简算.2.65×1.7+1.35×1.7 23.4÷7.8﹣2.10.75×18÷0.15 2.5×3.2×1.25.
能简便的用简便方法计算.(12.5﹣7.6)×(3﹣2.8) 7.8×101﹣7.8 7×(+)×11 ÷[×(﹣)].
脱式计算,能简算的要简算.70.8﹣7.25﹣1.75 5.81+8.3+4.19+11.70.05×0.4×20×1.7 4.87×2.34+4.87×7.66.
脱式计算(能简算的要简算)9.8×75+75×0.2 0.78÷0.25÷40 7.2+2.8×5.06 56×10.1.
脱式计算,能用简便方法计算的用简便方法计算.(1)32×125×2.5 (2)94÷(6.84×8.5﹣31.46÷0.55)
计算,能简算的要简算.1.8×5.46+1.8×4.54 16.38÷0.36﹣4.8 0.32×0.25×12.50.85+0.2×1.35 2.8÷3.5×4 2.64+8.67+1.33﹣1.64.