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Mihaelafelea85
a fost răspuns

ScOATETI FACTORUL COMUN : -3:8x1:2+ (-5:6)x(-1:2) :=fractie

Răspuns :

Didi12342
- 3/8 × 1/2 + (-5/6) × (-1/2) =

= 1/2 × ( - 3/8 + ( -5/6) × (-1) =

= 1/2 × ( - 3/8 + 5/6) =

= 1/2 × ( -3×3)/24 + 5×4/24) =

= 1/2 × ( -9/24 + 20/24) =

= 1/2 × 11/24 =

= 11/24×2 =

= 11/48

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