Помогите 1) - 379+948 = 2) - 0,81+0,66 = 3) - 5 = (-2 3/7) =

4) 2/9 + (-5/6) = 5) 3 5/7 + (-4 3/14) = 6) - 1,68 + (-1,68) =

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25 августа, 14:18

Помогите 1) - 379+948 = 2) - 0,81+0,66 = 3) - 5 = (-2 3/7) =

4) 2/9 + (-5/6) = 5) 3 5/7 + (-4 3/14) = 6) - 1,68 + (-1,68) =

+5

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Филофей · Answer 1

1) - 379+948=569

2) - 0,81+0,66=-0,15

3) - 5 + (-17/7) = - 35-17/7=-52/7 = - 7 3/7

4) 2/9 + (-5/6) = 12-45/6=-33/6=-5 3/6

5) 3 5/7 + (-4 3/14) = 26/7 + ( - 59/14) = 52-59/14=-7/14 = - 1/2=-0,5

6) - 1,68 + (-1,68) = - 3,36

Помогите 1) - 379+948 = 2) - 0,81+0,66 = 3) - 5 = (-2 3/7) =4) 2/9 + (-5/6) = 5) 3 5/7 + (-4 3/14) = 6) - 1,68 + (-1,68) =

Помогите 1) - 379+948 = 2) - 0,81+0,66 = 3) - 5 = (-2 3/7) =

4) 2/9 + (-5/6) = 5) 3 5/7 + (-4 3/14) = 6) - 1,68 + (-1,68) =