Question

Вычислите 1)2/5*(-3)-4/5 2)5/12разделить на 1/4-(-1/3)

Answer 1

1/2+1/3=3+2/6=5/6
1/3-14=13(2/3)
1/4+1/5=9/20
1/5-1/6=1/30
1/7-1/8=1/56

Answer 2

1) ½-⅓=2/6=5/6
2) ⅓-14=13(⅔)
3) ¼+1/5=9/20
4) 1/5-1/6=1/30
5) 1/7-⅛=1/56