Ответы
Ответ дал:
6
( 1 - 3/4) * (4/5 - 3/4) =
= 1/4 * (16/20 - 15/20) =
= 1/4 * 1/20 = 1/80
14 * (1/2 + 1/3 + 1/4) =
= 14 * ( 6/12 + 4/12 + 3/12) =
= 14/1 * 13/12 =
= (7 * 13)/ (1* 6) = 91/6 =
= 15 целых 1/6
1/3 * 6/7 - 1/7 * 3/4 =
= 2/7 - 3/28 =
= 8/28 - 3/28 =
= 5/28
= 1/4 * (16/20 - 15/20) =
= 1/4 * 1/20 = 1/80
14 * (1/2 + 1/3 + 1/4) =
= 14 * ( 6/12 + 4/12 + 3/12) =
= 14/1 * 13/12 =
= (7 * 13)/ (1* 6) = 91/6 =
= 15 целых 1/6
1/3 * 6/7 - 1/7 * 3/4 =
= 2/7 - 3/28 =
= 8/28 - 3/28 =
= 5/28
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