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efectuati calculele (5/6+3/4)*24/19-(2/3-1/6)*4/3
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Răspuns :

(5/6 + 3/4) × 24/19 - (2/3 - 1/6) × 4/3 =

= (5×2/12 + 3×3/12) × 24/19 - (4/6-1/6)×4/3

= (10/12 + 9/12) × 24/19 - 3/6× 4/3 =

= 19/12 × 24/19 - 12/18=

= 24/12 - 2/3 =

= 2 - 2/3 =

= (6-2)/3 =

= 4/3