47.6*(2.7+7.3)=47.6*10=476运用乘法分配律来简便算法
47.6×(2.7+7.3)=476
47.6×2.7+47.6×7.3=47.6×(2.7+7.3)=47.6×10=476
47.6乘以(2.7+7.3)=47.6乘以10=476