4.56÷1.23×7.89÷0.456÷78.9×123简便计算
问题描述：
4.56÷1.23×7.89÷0.456÷78.9×123简便计算
答
(123÷1.23)×(4.56÷0.456)×(7.89÷78.9)=100
答
0.456x10÷0.456÷1.23×1.23x100×7.89÷7.89x10=10000
答
=(4.56÷0.456)×(7.89÷78.9)×(123÷1.23)
=10×0.1×100
=100
答
(4.56*7.89*123)/(1.23*0.456*78.9)