Question

решите плиз дробями 35 баллов
а²-1÷а³+1×a²-a+1÷a²+2a²+1×(a+1)

d³-8÷b²-9×b+3÷b²+2b+4

c²+6c+9÷c³+27×c²-3c+9÷3c+9÷(c-3)

Answer 1

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