Вправи 201 - 300 » 271
Знайдіть суму: 1) 45/9 + 71/6 = 11 + (10/18 + 3/18) = 1113/18; 2) 611/12 + 813/18 = 14 + (33/36 + 26/36) = 14 + 123/36 = 1523/36; 3) 23/16 + 17/24 + 31/12 = 6 + (9/48 + 14/48 + 4/48) = 627/48 = 69/16.
Знайдіть суму: 1) 45/9 + 71/6 = 11 + (10/18 + 3/18) = 1113/18; 2) 611/12 + 813/18 = 14 + (33/36 + 26/36) = 14 + 123/36 = 1523/36; 3) 23/16 + 17/24 + 31/12 = 6 + (9/48 + 14/48 + 4/48) = 627/48 = 69/16.