[tex]1.\\4a-3(2+a)\\4\cdot(-1)-3\cdot(2-1)=-4-3\cdot1=-4-3=-7\\Prawda\\\\2.\\2x+5y-1\\2\cdot 2+5\cdot(-3)-1=4-15-1=-12\\Prawda[/tex]
Zadanie 1
4a - 3(2 + a)
4 * (-1) - 3 * (2 + (-1)) = 4 * (-1) - 3 * 1 = -4 - 3 = -7
Odpowiedź: Prawda
2x + 5y - 1
2 * 2 + 5 * (-3) - 1 = 2 * 2 + (-15) - 1 = 4 -1 5 - 1 = -11 - 1 = -12
