Помогите пожалуйста решить примеры!
1)-4/11*15/17-7/11*15/17
2)13/15*8/19-13/15*(8/19-10/13
1)-4/11*15/17-7/11*15/17
2)13/15*8/19-13/15*(8/19-10/13
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1) = 15/17 * (-4 -7)/11 = - 15/17 - ОТВЕТ2) 13/15 * (8/19 - 8/19 + 10/13) = 13/15*10/13 = 10/15 = 2/3 - ОТВЕТ