A:We'll go to the hall.
B:They will go to the hall.
C:I'll go to the gate.
判断下面的话的对错.
8.4能被4整除.
已知(a﹣x)5=a0+a1x+a2x2+••+a5x5,若a2=80,则a0+a1+a2+••+a5=( )
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