Question

7 . Rezolvati cerintele.
a.Scrieti numarul 12 ca diferenta a doua numere negative.
b. calculati in doua moduri: (3 - 71) x (14 + 50)
Ma puteti ajuta va rog?? e urgent <3

Answer 1

$a) 12 = ( - 2) - ( - 14) \\ b)(3 - 7) \times (14 + 50) = \\ ( - 4) \times (64) = \\ - 256 \\ \\ (3 - 7) \times (14 + 50) = \\ ( - 4) \times (14 + 50) = \\ ( - 4 \times 14) + ( - 4 \times 50) = \\ (- 56) + ( - 200) = \\ - 256$