找规律填数. (1)36.9,34.6,32.3,_,_. (2)2.3,4.6,6.9,_,_.
问题描述:
找规律填数.
(1)36.9,34.6,32.3,______,______.
(2)2.3,4.6,6.9,______,______.
答
(1)32.3-2.3=30,30-2.3=27.7,
所以36.9,34.6,32.3,30,27.7;
(2)6.9+2.3=9.2,9.2+2.3=11.5,
所以2.3,4.6,6.9,9.2,11.5.
故答案为:(1)30,27.7;(2)9.2,11.5.