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(2^9×3^8+2^8×3^9+6^9)÷6^9=

Răspuns :

[2⁹x3⁸+2⁸x3⁹+(2x3)⁹]:(2x3)⁹
2⁸x3⁸(2+3+2x3):(2x3)⁹
2⁸x3⁸x11:2⁹x3⁹=
11:6
daca nu e ok! sterge l!