Mathematics
Junior High
ๆฐๅญฆใงใ๐ข
ใใฎใ(1)ใฎโ ใงใใชใใใฎๅผใฎ็ญใใใใใชใใฎใๅใใใพใใ๐ฆ
ๆใใฆใใ ใใ๐โโ๏ธ
โ ่งฃ่ชฌโ
ใ1ใ
23- 5)
3+ 5 3+58-5
1 3+5 3ใ5
|3
2
1_
2
3-5
(3+V5 3-V5
ใชใฎใง, C+ใผ=
2
2
2
1
-2=9-2=|7
ใ
9
โ ๆผ็ฟๅ้ก
ใ1ใๆฌกใฎๅๅใใซ็ญใใชใใใ
3+ 5
ใฎใจใ,ๆฌกใฎๅคใใใใใๆฑใใชใใใ
2
1
1
0 x+-
2 c
2
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