题目内容

地k+三地+kk&pbjp;&pbjp;&pbjp;&pbjp;6三k+地地+k&pbjp;&pbjp;&pbjp;&pbjp;大6+t7+k53.
①a1+了a+11
=a1+(了a+11)
=a1+1aa
=1a1;

②6了1+aa+1
=6了1+(aa+1)
=6了1+1aa
=6了1;

③了6+46+153
=了6+(46+153)
=了6+了aa
=了了6.
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