6.2-0.54/1.8*5的简便算法
问题描述：
6.2-0.54/1.8*5的简便算法
答
6.2-0.54/1.8*5
=6.2-0.3*5=6.2-1.5=4.7
答
6.2-54/100*100/180*5
=6.2-5*3/10
=6.2-1.5
=4.7
答
先算除法，再算乘法，最后减法，得于4.7
答
6.2-(54/100)*(10/18)*5=6.2-0.3*5=4.7
答
6.2-0.54/1.8*5=6.2-0.9*0.6/0.9*2*5=6.2-1.5=4.7