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calculati 9^2* x = 81^4. multumesc



Răspuns :

9²*x=81⁴
9²*x=(9²)⁴
9²*x=9⁸
x=9⁸:9²=9⁶
9^2 * x = 81^4
81* x = 81^4
x = 81^4 / 81 = 81 ^3 = 531441
x = 531441 sau 81 ^ 3