Va rog cat mai rapid

A=8√6:(-2√3)-2*(√2+1)
a=-4√2-2√2-2
a=-6√2-2
b=√3*16√8*2^{-3}:2√12+5√2
b=16*2√6*1/8:4√3+5√2
b=4√6:4√3+5√2
b=√2+5√2=6√2