2/33+4/33+6/33+8/33~~~~~100/33

学习 时间:2026-04-02 20:06:32 阅读:7476
2/33+4/33+6/33+8/33~~~~~100/33

最佳回答

端庄的万宝路

微笑的招牌

2026-04-02 20:06:32

2/33+4/33+6/33+8/33~~~~~100/33=(2+4+6+8+。+100)/33=[(2+100)*50/2]/33=50*51/33=50*17/11=850/11