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Gaga402
a fost răspuns

efecuati : (-2/3 ) puterea a 6 : (-2/3)la puterea 4 +(-3/8)la puterea 5 : (-3/8)la puterea a3 : 1/18
Va rog mult dau coroana !!!

Răspuns :

Mikkka
(-2/3)⁶ :(-2/3)⁴ +(-3/8)⁵ :(-3/8)³ :1/18 =
=(-2/3)⁶⁻⁴ +(-3/8)⁵⁻³ :1/18=
=(-2/3)² +(-3/8)² :1/18=
=4/9 + 9/64 :1/18=
=4/9 + 9/64 *18/1
=4/9 + 9*9/32=
=4/9 + 81/32
=128/288+729/288=
=857/288


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