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3 la puterea 10 :[(3la puterea 5×3la puterea 7):3la puterea a 4+2×(3la puterea 4)la puterea 2]=

Răspuns :

3¹⁰:[(3⁵x3⁷):3⁴+2x(3⁴)²]=
3¹⁰:(3¹²:3⁴+2x3⁸)=
3¹⁰:(3⁸+2x3⁸)=
3¹⁰:3x3⁸=
3¹⁰:3⁹=
3¹=3