Mathematics
Junior High
Resolved
่ณๆฅใงใ๐ฆ
ใใใใใ้กใใใพใ๐ข
5
ไธใฎ่ณๆใฏใใใๅญฆๆ กใฎ3ๅนด1็ตใฎ็ทๅญ็ๅพ14ไบบใฎๆกๅใฎ่จ้ฒใๅฐใใ้ ใซไธฆในใใใฎใงใ
ใใใพใใไธใฎๅณใฏใใใฎ14ไบบใฎ่จ้ฒใ็ฎฑใฒใๅณใง่กจใใใใฎใงใใใ
(2)
่ณๆ
24
1็ต็ทๅญ
25
a
32
27 30 30
24
(1) ๅๅไฝ็ฏๅฒใๆฑใใชใใใ
b
1
1
30 34
ใใฎใจใใๆฌกใฎ(1)~(3)ใฎๅใใซ็ญใใชใใใ
a
40
530
35
b
0363640
(kg)
ใซๅฝใฆใฏใพใๆฐใใ ใใใใๆธใใชใใใ
(ๅไฝ : kg)
41 42 47
2
(2)
Answers
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