3a-4b при a=-4,b=-1/16

Question

3a-4b при a=-4,b=-1/16

Answer 1

3*(-4)-4*(-1/16)=-12-(-4/16)=-12-(-0,25)=-12+0,25=-11,75

Answer 2

3*(-4)-4*(-1/16)=-12+1/4=-11 3/4