三年级奥数题及答案:填空题(2)
奥数网整理
2011-08-03 18:54:19
答案
(1)a10=1+(10-1)×2=19;
(2)a41=7+(41-1)×3=127;
(3)(30-2)÷2+1=15
(4)(62-2)÷6+1=11
答案
(1)a10=1+(10-1)×2=19;
(2)a41=7+(41-1)×3=127;
(3)(30-2)÷2+1=15
(4)(62-2)÷6+1=11