8.6*18-43/5*8的简便运算

问题描述:

8.6*18-43/5*8的简便运算

8.6*18-43/5*8
=4.3*2*18-4.3*1./5*8
=4.3*36-4.3*16
=4.3*(36-16)
=4.3*20
=86