Решите пример
( \ дробная черта)
5 1\4 * 1 9\10 - 5 1\4 - 4 9\10
Сможете помочь? :)))
( \ дробная черта)
5 1\4 * 1 9\10 - 5 1\4 - 4 9\10
Сможете помочь? :)))
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Verified answer
5 1\4 * 1 9\10 - 5 1\4 - 4 9\10 = 21/4 * 19/10 - 21/4 = 399/40 - 21/4 = 399/40 - 210/40 = 189/40 = 4 29/40