Mathematics
Junior High
๐ๅฐๅ้ๅใงใ๐ง
ใฉใชใใๆใใฆใใ ใใ๐โโ๏ธ๐โโ๏ธ๐โโ๏ธ๐โโ๏ธ๐โโ๏ธ๐โโ๏ธ
A, 1ๅนด็ใ๏ผ๏ผๅไปฅไธ๏ผ๏ผๅๆชๆบ
-x?ใฎใฐใฉใใใใใ
C
(7) ้ขๆฐ ใช=ใผ
20
ใฎ้ณๆฎ้
้็ด(ๅ)
ๅบฆๆฐ(ไบบ)
1ๅนด็|3ๅนด็
(8)ๅณใฎ่กจใฏ,Aไธญๅญฆๆ กใฎ1ๅนด็ใจ3ๅนด็ใฎ
้ๅญฆๆ้ใ่ชฟๆปใ,ใใฎ็ตๆใๅบฆๆฐๅๅธ่กจใซ
ๆด็ใใใใฎใงใใใ
ใใฎ่กจใใใจใซ,ไธญๅคฎๅคใๅคงใใๆนใฎๅญฆๅนดใจ, 5~ 10
ใใฎๅญฆๅนดใฎไธญๅคฎๅคใใตใใพใใ้็ดใ็ญใใใ
ๆชๆบ ้
5
e
ไปฅไธใ
0
15
20
25
30
18
31
24
19
5
3
105
20
33
23
20
6
3
10
15
2
20
25
ใขใข tๅTใ้ข็ญ็ฒพ ๅ่ผๅ
ท็จๅ็ซ ๅฝๆป่จ
100
ใธ ใฃ1 ใคใใณใฑใผใใ
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