Question

奥数666+444+555+999怎么解读？

Answer 1

666+444+555+999
=111×（6+5+9）+444
=111×20+444
=2220+444
=2664

Answer 2

=111×6+111×5+111×9+444
=111×(6+5+9)+444
=111×20+444
=2220+444
=2664

Answer 3

666+444+555+999
333×2+111×4+111×5+333×3
=333×(2+3)+111×(4+5)
=1665+999
=2664

Answer 4

666+4444+5555+999=111×6+111×4+111×5+111×9=111×(6+4+5+9)=111×24=2664

Answer 5

666+444+555+999
=111×（6+4+5+9）
=111×24
=2664