Question

[(-10).(-3)-1]+[(-9)3-3] qual a resposta

Answer 1

[(-10).(-3)-1]+[(-9)3-3]

= 30−1+(−9)(3)−3

= 29+(−9)(3)−3

= 29+−27−3

= 29+−30

= −1

Answer 2

+30 -1 = 29

+

-6 -3 = -9

29 + (-9) = 20