1)/9:(-1/3)-7 2)2/5*(-3)-4/5 3)5/12:1/4-(-1/3) 4)(1/2)*(-4)-5 5)4/9:(-2/3)+1 вычислите

Question

1)/9:(-1/3)-7
2)2/5*(-3)-4/5
3)5/12:1/4-(-1/3)
4)(1/2)*(-4)-5
5)4/9:(-2/3)+1
вычислите

Answer 1

1) 9:(-1/3)-7=9*(-3)-7=-27-7=-34
2) 2/5*(-3)-4/5=-6/5-4/5=-10/5=-2
3) 5/12:1/4-(-1/3)=5/12*4+1/3=5/3+1/3=6/3=2
4) (1/2)*(-4)-5=-2-5=-7
5) 4/9:(-2/3)+1=4/9*(-3/2)+1=-2/3+1=-2/3+3/3=1/3