(1 3/25-2/5+13/100)*5/34+7/34:1 4/17
1 3/25 -2/5 = 28/25 -10/25=18/25 18/25+13/100 = 72/100 + 13/100 = 85/100 = 17/20 17/20 * 5/34 = 1/8 7/34 : 21/17 = 7/34 * 17/21 = 1/6 1/8 + 1/6 = 3/24 + 4/24 = 7/24
Спасибо
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