Question

Вычислите 1) (29 - 6 5/8)- (4 - 5/7) 2)(46 2/9 - 25) - ( 11 4/7 - 2/3) 3) ( 6 9/14 - 1/8) - 1- 5/7) 4) ( 11 1/2 - 4/15) - (7 19/30) это дроби помогите((((((((((

Answer 1

1) (29 - (6+5/8))- (4 - 5/7) =1069 /56 = 19+5/56
2) (46+2/9 - 25) - ( 11+4/7 - 2/3) = 650/63=10+20/63
3) ( 6+9/14 - 1/8) - 1- 5/7) = 4 + 45/56
4) ( 11+1/2 - 4/15) - (7+19/30) = 3+ 9/15