-3.7+5-x-4=0
-2.7-x=0
x=-2.7
А 4 и 5
б 1 и 8
в 0 и 2
г 3 и 1
д 6 и 7
е 3 и 1
(y-16*y^1/2)/(5*y^1/4+20)=(y^1/2*(y^1/2-16))/(5*(y^1/4+4))=(y^1/2*(y^1/4-4)(y^1/4+4))/(5*(y^1/4+4))=1/5*y^1/2*(y^1/4-4)
-1/6 - 1/4 = -1/6 +(-1/4) = -1/4 + (-1/6)
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