Tìm Min,Max

T

thienduonghanhphuc_1999

cach tim gia tri lon nhat<max>,gia tri nho nhat<min>cua 1 bieu thuc:
-ta phai bien doi ve dang bieu thuc >=1 so nao do hoac bieu thuc < =1 sao nao do
=>min bieu thuc,max bieu thuc dat gia tri tai dau "="
 
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