Question

Вычислите: 1) 3/8 * (-4) + 5; 2) 5/9 : (-1/3) - 7; 3) 2/5* (-3)- 4/5; 4) 5/12: 1/4-(-1/3); 5) (1/2) * (-4) -5; 6) 4/9 : (-2/3)+1.

Answer 1

1) 3/8*(-4)+5=-3/2+5=-1 1/2+4 2/2=3 1/2
2) 5/9:(-1/3)-7=5/9*(-3/1)-7=-5/3-7=-1 2/3-7=-8 2/3
3) 2/5*(-3)-4/5=-6/5-4/5=-10/5=-2
4) 5/12:1/4-(-1/3)=5/12*4/1+1/3=5/3+1/3=6/3=2
5) 1/2*(-4)-5=-2-5=-7
6) 4/9:(-2/3)+1=4/9*(-3/2)+1=-2/3+1=-2/3+3/3=1/3

Answer 2

спасибо большое