125×456÷7.89÷4.56×78.9÷1.25
问题描述:
125×456÷7.89÷4.56×78.9÷1.25
用简便计算,还有7.48×369369-3.69×748748
答
125×456÷7.89÷4.56×78.9÷1.25
=125÷1.25×456÷4.56×78.9÷7.89
=100×100×10
=100000
7.48×369369-3.69×748748
=7.48×369×1001-369÷100×7.48×1001×100
=0