2.6×5分之3+6.2÷5分之4+6.2×15%

问题描述:

2.6×5分之3+6.2÷5分之4+6.2×15%
简便计算,

6.2×5分之3+6.2÷5分之4+6.2×15%
=6.2×(5分之3+4分之5+20分之3)
=6.2×(20分之12+20分之25+20分之3)
=6.2×2
=12.4是2.6×5分之3+6.2÷5分之4+6.2×15%2.6×5分之3+6.2÷5分之4+6.2×15%=2.6×5分之3+(6.2×4分之5+6.2×20分之3)=2.6×5分之3+6.2×(20分之25+20分之3)=2.6×5分之3+6.2×20分之28=7.8×5分之1+6.2×5分之7=7.8×5分之1+43.4×5分之1=(7.8+43.4)×5分之1=51.2×5分之1=10.24