Вправи 201 - 300 » 207

Скоротіть дріб: 1) 3/12 = (3 ∶ 3)/(12 ∶ 3 ) = 1/4; 2) 4/12 = (4 ∶ 4)/(12 ∶ 4) = 1/3; 3) 6/54 = (6 ∶ 6)/(54 ∶ 6) = 1/9; 4) 25/70 = (25 ∶ 5)/(70 ∶ 5) = 5/14; 5) 26/65 = (26 ∶ 13)/(65 ∶ 13) = 2/5; 6) 12/60 = (12 ∶ 12)/(60 ∶ 12) = 1/5;