B
blaster288


cho a,b,c la cac so nguyen
a+b+c=3
tim GTNN cua ab+bc+ac
neu ai co nick avatar thi co the cho em xin it xu dc ko
pm thanh pho, thoi gian va dia diem+ ten
a+b+c=3
tim GTNN cua ab+bc+ac
neu ai co nick avatar thi co the cho em xin it xu dc ko
pm thanh pho, thoi gian va dia diem+ ten