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Răspuns:
a)(2⁴)³=64
2¹²=2⁶
12=6 (fals)
b)3^(4×2)=243
3^(4×2)=3⁵
8=5 (fals)
c)5^(3x-2)=625
5^(3x-2)=5⁴
3x-2=4
3x=4+2
3x=6
x=6:3
x=2