Question

реши примеры с проверкой 87-5 45+30 98-50

Answer 1

87-5=82, 82+5=87
45+30=75, 75-30=45
98-50=48, 50+48=98

Answer 2

87 - 5 = 82
Проверка 82 + 5 = 87
 45 + 30 = 75
Проверка 75 - 30 = 45
98 - 50 = 48
Проверка 50 + 48 = 98