Mathematics
Junior High
่ณๆฅใงใ๐ฆ่งฃใๆนๆใใฆใใ ใใ
2
ใใใ
tim
1
y=x+4
5 4
y=3x+3
tim
1-2
y=-
A
+2
Y
2
B
4 x
(3) ้ขๆฐy=1/12/22ใฎใฐใฉใไธใซ็นPใใจใ,Pใฎ
่ณชใฎๅทใจใชใ
โณPBCใฎ้ข็ฉใ โณACBใฎ้ข็ฉใฎ
ๅบงๆจใ1ใจใใใใใ ใใ0<t<4ใจใใใ
ใจใชใ ใฎๅคใๆฑใใชใใใ
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