Ответ:
2/3x4y-1 , 5-x
Объяснение:
1) 18x7y2/27x3y4 = 2x7y/3x3y2 = 2/3x4y-1
2) 25-x2/5+x = 5-x
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Ответ:
2/3x4y-1 , 5-x
Объяснение:
1) 18x7y2/27x3y4 = 2x7y/3x3y2 = 2/3x4y-1
2) 25-x2/5+x = 5-x