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В-1 Часть А(№1-№6), часть В (№8,9)

13√4+√196-2√64=3*2+14-2*8=6+14-16=423√7=√(9*7)=√633√7>√623√(8²-(√15)²)=√(64-15)=√49=74√3(√3-a)/(a-√3)(a+√3)=-√3/(a+√3)5√(x-3)²=2|x-3|=2x-3=-2 U x-3=2x=1 U x=56(√x-√y)(√x+√y)/(√x+√y(-(√x+2√y)²/(√x+2√y)=√x-√y-√x-2√y=-3√yx=3 1/81,y=1/81-3*1/9=-1/38y√x²=y*|x|=(3+√11)*|3-√11)=(3+√11)*(√11-3)=11-9=291)a/(a-√2(-√2/(a+√2)=(a√=a√2-a√2+2)/(a²-2)=(a²+2)/(a²-2)2)(a²+2)/(a²-2):(a²+2)/(a²=a²2)=(a²=2)/(a-√2)(a+√2) *a(a+√2)/(a²+2)=a/(a-√2)