Ответ:
1) x * (19y + 1) - 12y
2) 2a + b
Решение:
1) 25xy+13x-12y-12x-6xy = 19xy + x -12y = x * (19y + 1) - 12y
2) 5a-(2x+2y-(b-3a))+2x+2y = 5a - (2x + 2y - b + 3a) + 2x + 2y = 5a - 2x - 2y + b - 3a + 2x + 2y = 2a + b
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Verified answer
Ответ:
1) x * (19y + 1) - 12y
2) 2a + b
Решение:
1) 25xy+13x-12y-12x-6xy = 19xy + x -12y = x * (19y + 1) - 12y
2) 5a-(2x+2y-(b-3a))+2x+2y = 5a - (2x + 2y - b + 3a) + 2x + 2y = 5a - 2x - 2y + b - 3a + 2x + 2y = 2a + b