Решите: 1) -1 3/7 + (-3 4/7); 2) -7 1/6 + (-2 5/6); 3) -4 3/14 + (-1 2/7).

Question

Решите: 1) -1 3/7 + (-3 4/7); 2) -7 1/6 + (-2 5/6); 3) -4 3/14 + (-1 2/7).

Answer 1

1) -1 3/7+(-3 4/7)=-4 7/7=-4
2)-7 1/6+(-2 5/6)= -8 6/6= -8
3) -4 3/14+(-1 2/7)=-5 7/14=-5 1/2

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