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	2	bớt 2 ký tự trong đề bài		Sửa 06-02-16 04:20 PM ★★.P.I.N.O.★★ 1
gggggggggggggggggggggggggggggggggggggggggggggg Với $a,b,c \in \mathbb R$ và 0<$a\leq b\leq c$ CMR: $(a+3b)(b+4c)(c+2a) \geq 60abc.$ Bất đẳng thức gggggggggggggggggggggggggggggggggggggggggggggg voi a,b,c$\epsilon R$ va 0<$a\leq b\leq c$ chung minh rang (a+3b)(b+4c)(c+2a)$\geq$60abc Bất đẳng thức gggggggggggggggggggggggggggggggggggggggggggggg Với $a,b,c \in \mathbb R$ và 0<$a\leq b\leq c$ CMR: $(a+3b)(b+4c)(c+2a) \geq 60abc.$ Bất đẳng thức

	1	tạo mới		Hỏi 06-02-16 03:14 PM danielpadillawacky 1 1
gggggggggggggggggggggggggggggggggggggggggggggg voi a,b,c$\epsilon R$ va 0<$a\leq b\leq c$ chung minh rang (a+3b)(b+4c)(c+2a)$\geq$60abc

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