Question

222x999-666x333=多少有简便方法吗？

Answer 1

有的。222x999-666x333=2x111x3x3x111-2x3x111x3x111=111x111x(2x3x3-2x3x3)=0.

Answer 2

因为999=3×333，所以222×999=222×3×333=666×333，所以原式等于666×333-666×333=0。

Answer 3

有简便方法222×3×333-666×333下一步666×333-666×333结果是0

Answer 4

解:222*999-666*333
=333(222*3-666)
= 333*0
=0

Answer 5

222×999-666×333
=222×999-222×3×333
=222×999-222×999
=0