Mathematics
Junior High

๐™Œ๐™ช๐™š๐™จ๐™ฉ๐™ž๐™ค๐™ฃ ๏ผŽโ–ณOABใฎ้ข็ฉใ‚’ๆฑ‚ใ‚ใชใ•ใ„ใ€‚
๐™Œ๐™ช๐™š๐™จ๐™ฉ๐™ž๐™ค๐™ฃ ๏ผŽOBใฎไธญ็‚นใฎๅบงๆจ™ใ‚’ๆฑ‚ใ‚ใชใ•ใ„ใ€‚
่‡ชๅŠ›ใงใฏใชใ‹ใชใ‹่งฃๆฑบๅ‡บๆฅใšๅคงๅค‰ๅ›ฐใฃใฆใ„ใพใ™๐Ÿ’ฆ
่งฃ่ชฌใฎๆ–นใ‚ˆใ‚ใ—ใใŠ้ก˜ใ„่‡ดใ—ใพใ™๐Ÿ™‡โ€โ™€๏ธ

โ—‹ ๅณใฎๅ›ณใฎใ‚ˆใ†ใซๅบง 1 ๆจ™ๅนณ้ขไธŠใซ็›ด็ทšใ—ใ‚’ ใจใ‚Š,็›ด็ทš1ไธŠใซ็‚น (2 A(2, 10), B(8, 4) AX(2, 10) (0 ใ‚’ใจใฃใŸใ€‚ใ“ใ‚Œใซใค ใ„ใฆๆฌกใฎๅ•ใ„ใซ็ญ”ใˆ ใƒใƒผ B (8, 4) ใชใ•ใ„ใ€‚ 0 [ๅ„2็‚นร— 5] C 2

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