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a fost răspuns

(1/7+1/2÷3/5)÷(1/2+3/1+5,5÷ 3/5-5/4÷2÷3)-1/7

Răspuns :

Iakabcristina2
(1/7 + 1/2 • 5/3) : (1/2 + 3 + 11/2 • 5/3 - 5/4 • 1/2 • 1/3) - 1/7 =
(1/7 + 5/6) : (1/2 + 3 + 55/6 - 5/24) - 1/7 =
41/42 : (12+72+220-5)/24 - 1/7 =
41/42 • 24/299 - 1/7 =
(41•4)/(7•299) - 1/7 =
164/2093 - 1/7 =
(164-299)/2093 =
-135/2093

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