Решите примеры. Хотелось бы проверить.
3/5 + 3/7 + 9/7 * 4/15=
(7/9 - 1/6) : 2/9 * 21/22=
( 1/6 + 3/14) : ( 5/21 - 1/14)=
3/5 + 3/7 + 9/7 * 4/15=
(7/9 - 1/6) : 2/9 * 21/22=
( 1/6 + 3/14) : ( 5/21 - 1/14)=
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2)11\18:2\9*21\22=21\8