Question

1*1+(-1supra2)*3 multumesc de ajutor

Answer 1

1*1+(-1/2)*3=1-2/3=3-2/3=1/3

Answer 2

1*1+(-1/2)*3

$\it 1\cdot1+\left(-\dfrac{1}{2}\right)\cdot 3 = 1 -\dfrac{3}{2} = 1-1,5 = -0,5$