Question

Wykonaj działania.
a) [(2+4):(3-1)-2] * (3-5)=
b) [(4+2):(3-1)-(2+3)*(3-2)] * 3+7=

Answer 1

[(6:2)-2]*(-2)=[3-2]*(-2)=-2
[6:2-5*1]*3+7=[3-5]*3+7=-2*3+7=-6+7=1