51/4÷4/3+87.25*3/4脱式计算

问题描述:

51/4÷4/3+87.25*3/4脱式计算

51 / 4 ÷ 4 / 3 + 87.25 × 3 / 4
= 12.75 × 3 / 4 + 87.25 × 3 / 4
= 3 / 4 × (87.25 + 12.75)
= 3 / 4 × 100
= 75