解： (-1又2/3）÷（+1.5）-(+2又1/3)÷3/2+(-5又1/3)=（-5/3）÷3/2 - 5/3÷3/2 - 16/3= -5/3×2/3 - 5/3×2/3 -16/3= -10/9 -10/9 - 48/9= -68/9
