来自吕跃刚的问题
能简算的简算1.2×42-(4.46+0.14)9.6+1÷3-2/30.575×19+1.9×4.25(7+7/15)÷7/5-1/3
能简算的简算1.2×42-(4.46+0.14)9.6+1÷3-2/30.575×19+1.9×4.25(7+7/15)÷7/5-1/3


能简算的简算1.2×42-(4.46+0.14)9.6+1÷3-2/30.575×19+1.9×4.25(7+7/15)÷7/5-1/3
能简算的简算1.2×42-(4.46+0.14)9.6+1÷3-2/30.575×19+1.9×4.25(7+7/15)÷7/5-1/3
1.2×42-(4.46+0.14)=1x42+0.2x42-4.6=42+8.4-4.6=50.4-4.6=45.89.6+1÷3-2/3=9.6+1/3-2/3=9+3/5-1/3=9+9/15-5/15=9又4/150.575×19+1.9×4.25=1.9x5.75+1.9x4.25=1.9x(5.75+4.25)=1.9x10=19(7+7/15)÷7/5-1...