已知:2△3=2+22+222=246,3△4=3+33+333+3333=3702,计算5△3,3△2快

问题描述:

已知:2△3=2+22+222=246,3△4=3+33+333+3333=3702,计算5△3,3△2

5△3=5+55+555=615
3△2=3+33=36

已知:2△3=2+22+222=246,
3△4=3+33+333+3333=3702,
则5△3=5+55+555=615
3△2=3+33=36