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[2 la puterea15+25 la puterea3-7 la puterea 15]:(2 la puterea 15-7 la puterea15+5 la puterea6)inmultit 3 la putera26

Răspuns :

[2¹⁵+25³-7 ¹⁵]:(2 ¹⁵-7 ¹⁵+5)x3 ²⁶=
(2¹⁵+5⁶-7¹⁵);(2¹⁵+5⁶-7¹⁵)x3²⁶=
1x3²⁶=
3²⁶