September 2021 1 8 Report
Решите неравенство. Заранее благодарю
а) r²-14r+45>0 д) x²+105>22x
б) a²-11a+30>0 e) t²-5t+4<0
в) s²+11s+30>0 ж) m²-6m+9<0
г) b²-4b+3>0 з) z²-8z+7>0
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