(1)(-2/3)—(-2/3)-(+3/4)
(2)16-(-8又1/3)-(+4又2/3)
(3)(-5.4)-(+6又13/20)-1又1/4
1.(-12)/[-(-3)+(-15)]/5
2.-3-{-5+(1-0.2/3/5)/(-2)}
3.12/(2+3)
4.(-1)/(-5)*(-1/5)
5.24/(1/3/1/4)
6.(-2)*(-3)*(-1/2)*(+1/3)
(1)(-2/3)—(-2/3)-(+3/4)
(2)16-(-8又1/3)-(+4又2/3)
(3)(-5.4)-(+6又13/20)-1又1/4
1.(-12)/[-(-3)+(-15)]/5
2.-3-{-5+(1-0.2/3/5)/(-2)}
3.12/(2+3)
4.(-1)/(-5)*(-1/5)
5.24/(1/3/1/4)
6.(-2)*(-3)*(-1/2)*(+1/3)