简算:6.75+6.75*7.6+1.4*6.75
问题描述:
简算:6.75+6.75*7.6+1.4*6.75
答
6.75+6.75×7.6+1.4×6.75=6.75×1+6.75×7.6+1.4×6.75=6.75×(1+7.6+1.4) =6.75×10=67.5
简算:6.75+6.75*7.6+1.4*6.75
6.75+6.75×7.6+1.4×6.75=6.75×1+6.75×7.6+1.4×6.75=6.75×(1+7.6+1.4) =6.75×10=67.5