0.75*5/11+6/11*3/4简算

问题描述:

0.75*5/11+6/11*3/4简算

0.75*5/11+6/11*3/4
=3/4x5/11+6/11x3/4
=3/4x(5/11+6/11)
=3/4x1
=3/4
如果本题有什么不明白可以追问,