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(5/2-4/5+7/15):1/2 VA ROG UREGEEEENT

Răspuns :

Rodi11
(5/2-4/5+7/15):1/2=

=15×5-6×4+2×7 tot ăsta supra/30 ×2/1=

=30-24+14 tot ăsta supra/30 ×2/1=

=6+14 totul supra/30 × 2/1=

=20/30 ×2/1=

=20/15 (simplificat cu 5)=

=4/3
EagleEyes
(5/2-4/5+7/15):1/2 =

= 13/6 : 1/2 = 13/6×2 = 13/3

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