Question

Calcula :
A) 13-[8-(6-3)-4*3]:7=
B) 5*(8-3)-4*(2-7)-5*(1-6)=
C)12*(12-14)-8*(16-11)-4*(5-17)=
gracias:)

Answer 1

a) 13.[8-3-12]=13-(-7)=20
b)5*5-4(-5)-5*(-5)=25+20+25=70
12*(-2)-8*(5)-4*(-12)=-24-40+48=-16