Question

помагите п лизз 3 задачу

Answer 1

a + 50 = 40 + 50=90
a + 50 = 50 + 50 = 100
a + 50 = 0 + 50 = 50
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b + 30 = 90 + 30 = 120
b + 30 = 70 + 30 = 100
b + 30 = 100 + 30 = 130