Question

ЗАДАНИЕ 3. задание 4 пример 4

Answer 1

1+(-1/6)= 6/6 + (-1/6) = 5/6

Answer 2

x+(-7) = -10
x-7 = -10
x = -10+7
x = -3
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1+(-1/6) = 1 -  1/6 = 6/6 - 1/6 = 5/6