こ- Finish the Story: Th
MATH TEST
.-2e+ 20 = 40:e=
.(x+4)(x - 4) = 97: x
-56-16 =
1
2。
3.
4.
う.
6.
7
8
り
Can you guess what haDDpened?
Exercise 20.1
Read the following true Story
Janice Burke is a math teacher in Mes:
4 test tO her fifth-grade class one day, so
105 196 nrrence was so Strange that it inter
| is OK now and so are the students. Howen
GE
oi 人 人