能简算的要简算.27×4/5+27÷5

问题描述:

能简算的要简算.27×4/5+27÷5

27×4/5+27×1/5=27×(4/5+1/5)=27

27×(4/5+1/5)=27

27×4/5+27÷5
=27×4/5+27×1/5
=27×(4/5+1/5)
=27

27×4/5+27÷5=27×4/5+27*1/5=27*(4/5+1/5)=27