123+234+345+543+432+321怎样简便

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/29 23:21:35
123+234+345+543+432+321怎样简便
x)342626661651616662|loTO:;MI45@@a (ikff}x~qAbn0`} I Gj6LDDT=p1-Cs( a

123+234+345+543+432+321怎样简便
123+234+345+543+432+321怎样简便

123+234+345+543+432+321怎样简便
123+234+345+543+432+321=(123+543)+(234+432)+(345+321)=666
×3=1998

123+234+345+543+432+321
=123+321+234+432+345+543
=444+555+888
=111(4+5+8)
=111*17
=1887