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(3^15+9^7):3^14 Va rog nevoie de ajutor rapid!!!!

Răspuns :

[3¹⁵+(3²)⁷]:3¹⁴=
(3¹⁵+3¹⁴):3¹⁴=
[3¹⁴·(3+1)]:3¹⁴=
(4·3¹⁴):3¹⁴=
4
(3^15+9^7):3^14=
=[3^15+(3^2)^7]:3^14=
=(3^15 +3^14):3^14=
=3^15 :3^14+3^14 :3^14=
=3^(15-14) +3^(14-14)=
=3^1 +3^0=
=3+1=
=4