A:all
B:none
C:both
D:neither
与是同类二次根式的是( ).
在横线上填上“>”,“<”,“<”或“=”。
3.5+0.8____3.3 6.2-3.4____3.8 2.8+5.2____0.9
①同学之情 ②朋友之情
③师生之情 ④亲子之情
A. I can't find my book.
B. Read the newspapers to old people.
C. Over there.
D. Because we can reuse them.
E. Yes.