OD liczby 12,75 odejmij iloxzyn liczb 1 2/3 i 1,4.OAtrzymany wynio podziel przez sume liczh 2,2 i 6 2/15
(12,75 - 1 i 2/3 * 1,4 ) : (2,2 + 6 i 2/15) = (12,75 - 5/3 * 14/10) : (2 i 2/10 + 6 i 2/15) =
(12,75 - 7/3 ) : (2 i 6/30 + 6 i 4/30) = (12 i 3/4 - 2 i 1/3) : 8 i 10/30 =
(12 i 9/12 - 2 i 4/12) : 8 i 1/3 = 10 i 5/12 : 25/3 = 125/12 * 3/25 = 5/4 = 1 i 1/4
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(12,75 - 1 i 2/3 * 1,4 ) : (2,2 + 6 i 2/15) = (12,75 - 5/3 * 14/10) : (2 i 2/10 + 6 i 2/15) =
(12,75 - 7/3 ) : (2 i 6/30 + 6 i 4/30) = (12 i 3/4 - 2 i 1/3) : 8 i 10/30 =
(12 i 9/12 - 2 i 4/12) : 8 i 1/3 = 10 i 5/12 : 25/3 = 125/12 * 3/25 = 5/4 = 1 i 1/4