решебник по математике 6 класс гдз

Упражнение 1270

Условие:

Вычислите:
-1 + 5/7; -2 + 3/4; 3 - 1/7; 1 - 2/3; -2 - 1/7; -5 - 2 3/7.

 

Ответ:

-1 + 5/7 = -2/7; -2 + 3/4 = -1 1/4; 3 - 1/7 = 2 6/7;
1 - 2/3 = 1/3; -2 - 1/7 = -2 1/7; -5 - 2 3/7 = -7 3/7.

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