简便运算(-1/24)/(1/6-1/8+1/12)
问题描述:
简便运算(-1/24)/(1/6-1/8+1/12)
答
(-1/24)/(1/6-1/8+1/12)
=-1/(1/6×24-1/8×24+1/12×24)
=-1/(4-3+2)
=-1/3-1是哪里来的(-1/24)/(1/6-1/8+1/12)=(-1/24×24)/(1/6×24-1/8×24+1/12×24)=-1/(4-3+2)=-1/3