my wyszło 3 i jedna druga ale nie wiem czy dobrze.
1/7 x 8 + (3 1/6 - 1 1/3) = 1 1/7 + (3 1/6 - 1 2/6) = 1 1/7 + (2 7/6 - 1 2/6) = 1 1/7 + 1 4/6 = 1 1/7 + 1 2/3 = 1 3/21 + 1 14/21 = 1 17/21
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my wyszło 3 i jedna druga ale nie wiem czy dobrze.
1/7 x 8 + (3 1/6 - 1 1/3) = 1 1/7 + (3 1/6 - 1 2/6) = 1 1/7 + (2 7/6 - 1 2/6) = 1 1/7 + 1 4/6 = 1 1/7 + 1 2/3 = 1 3/21 + 1 14/21 = 1 17/21