问题
单项选择题
1，6，20，56，144，( )
A．256
B．312
C．352
D．384
答案
参考答案：C
解析：数列中的规律是：（6--1）×4=20，（20-6）×4=56，（56-20）×4=144，（144-56）×4=352，所以答案是C项。
搜题请搜索小程序“爱下问搜题”
1，6，20，56，144，( )
A．256
B．312
C．352
D．384
参考答案：C
解析：数列中的规律是：（6--1）×4=20，（20-6）×4=56，（56-20）×4=144，（144-56）×4=352，所以答案是C项。
| Millie：Hi. Kitty. you look great today. What a nice coat! Kitty： 1 . My  father says it's a Chinese Tang costume(中国唐装). It feels quite soft. I liked it a lot. so my father bought it fo r me.Millie： 2 Kitty：Yes. it is. Millie：My old coats are short. I want to buy some new ones. And you know we will have a fashion show next Monday. Kitty：Er. do you have time tomorrow? 3 Millie：Good idea! 4 Kitty：Sure. 5 | |
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