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calculati :
1³+3³+: [(3²)⁶-27⁴ ] x 10⁵ =?


Răspuns :

1+27( ce e acolo +:?) [(3^12-(3^3)^4)]x 10^5=
1+27...(3^12-3^12)x10^5=1+27=28
1³+3³+[(3²)⁶-27⁴ ] x 10⁵ = 1+27+[3¹²- 3¹²]*10⁵=1+27+0*10⁵=28