(2011•卢湾区二模)在(2x+1x
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(2011•卢湾区二模)在(2x+
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x
根据题意,可得其二项展开式的通项为Tr+1=C6r•(2x)6-r•(
1 x)r=C6r•(2)6-r•x6-2r, 令6-2r=0,可得r=3, 将r=3代入可得,T4=C63•23=160, 故答案为160.
(2011•卢湾区二模)在(2x+1x
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