Question

cine ma ajuta la rezolvare
$3 \times - 5 = 4$
$2 \times + 8 = 10$
$3 \times - 7 - 5$
$\times - 2 = 0$
$- 4 \times + 1 = 5$
$- 10 \times + 1 = 101$
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Answer 1

sper ca te am ajutat !!