(1/3+1/4-1/6)÷1/24=(1/3+1/4-1/6)x24=1/3x24+1/4x24-1/6x24=8+6-4=10
(1/3+1/4-1/6)÷1/24=(1/3+1/4-1/6)*24=1/3*24+1/4*24-1/6*24=8+6-4=14-4=10
=1/3×24+1/4×24-1/6×24=8+6-4=10