在(1-x)5=a0+a1x+a2x2+a3x3+a4x4+a5x5中,令x=-1可得则a0-a1+a2-a3+a4-a5=25=32,
故答案为:32.
若(1-x)5=a0+a1x+a2x2+a3x3+a4x4+a5x5,则a0-a1+a2-a3+a4-a5=_.
若(1-x)5=a0+a1x+a2x2+a3x3+a4x4+a5x5,则a0-a1+a2-a3+a4-a5=______.
数学人气:652 ℃时间:2020-03-25 11:07:02
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