Question

Resolva:
0 - (-17) =
(-9) - (+16) =
(+13) - (+20) =
0 - (+18) =
(-1) - (-19) =
(+20) - (+9) =

Answer 1

Resposta:

1) 0 +17 = + 17

2)(-9) - (+16) = - 9 -16 = - 15

3) (+13) - (+20) = +13 -20 = -7

4)0 - (+18) = 0 - 18 = - 18

5) (-1) - (-19) = -1 + 19 = +18

6) (+20) - (+9) = + 20 - 9 = +11