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    2t/(16-3t)=1/2
    2+a=√(a²+1)
    2+a=√(a+1)²
    2+a=(a+1)²-2a
    2+a=(a+1)²-√2a
    2+a=√(a+1)²-2a
    2+a=√(a²+1)
    -√(2a)=2+a
    √(2a)=2+a
    √(2a)=2+2a
    √(a²)=1+a
    √(2a²)=1+a
    √a²=1+a
    x2-1
    -10xx+700x-300=0
    3.36*(0.02)^n=(0.08)^n
    4*(0.02)^m=(0.08)^m
    2a²-2=2a
    1x=2
    x-31/x+1=1/3

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