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1/4:(7/8+2/3-1/8)×2/9=?

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Răspuns :

Răspuns:

1/4 : (7/8 + 2/3 - 1/8) × 2/9

= 1/4 : 17/12 × 2/9

= 1/4 × 12/17 × 2/9

= 3/17 × 2/9

= 1/17 × 2/3

= 2/51