1.(1/3)ˣ⁺¹=1/27, (1/3)ˣ⁺¹=(1/3)³, x+1=3, x=2 2.27ˣ=1/27, 27ˣ=27⁻¹,x=-1 3.3ˣ-1=0, 3ˣ=1,3ˣ=3⁰,x=0 4.5·3ˣ=15,3ˣ=15:5, 3ˣ=3, x=1 5.7·2ˣ=28, 2ˣ=28:7,2ˣ=4,2ˣ=2²,x=2.будь ласка
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