来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/11/12 05:55:03
求找规律数学题20道,拜托!
初一上册的
(1)3,2,1,0,-1,-2,-3,-4,-5,-6 (2)1,-3,9,-27,81,-243,729 (3)5,-15,45,-135,405,-1215 (4)1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256 =3/4+1/8+1/16+1/32+1/64+1/128+1/256 =7/8+1/16+1/32+1/64+1/128+1/256=...255/256