Question

简便运算

5555x6666+2222x3333

Answer 1

=5✖️1111✖️6666+1111✖️6666
=(5+1)✖️1111✖️6666
=6666✖️6666
=44435556（这步是直接算得，应该没有办法化简）

Answer 2

5×1111×6×11117＋2×1111＋3×1111
=30×1111×1111＋6×1111×1111
=36×1111×1111
=自己算…

Answer 3