Вправи 1201 - 1300 » 1253

Виконай віднімання: 1) 92/3 – 7 = (9 – 7) + 2/3 = 22/3 2) 74/19 – 51/19 = (7 – 5) + (4/19 – 1/19) = 2 + 3/19 = 23/19 3) 1 – 7/13 = 13/13 – 7/13 = 6/13 4) 8 – 4/15 = 715/15 – 4/15 = 711/15 5) 10 – 54/9 = 99/9 – 54/9 = (9 – 5) + (9/9 – 4/9) = 45/9 6) 17 – 161/3 = 163/3 – 161/3 = (16 – 16) + (3/3 – 1/3) = 0 + 2/3 = 2/3