Mathematics
Junior High

่‡ณๆ€ฅ๐Ÿ™‡๐Ÿปโ€โ™€๏ธ๐Ÿ™‡๐Ÿปโ€โ™€๏ธ

ใ“ใฎๅ•้กŒใฎ่ชฌๆ˜Ž้ƒจๅˆ†ใฎ

็ญ”ใˆๆ–นใ‚’ๆ•™ใˆใฆใใ ใ•ใ„๏ฝฏ๐Ÿ™‡๐Ÿปโ€โ™€๏ธ๐Ÿ’ฆ

ใงใใ‚‹ใ ใ‘่ฉณใ—ใๆ›ธใ„ใฆ้ ‚ใ‘ใ‚‹ใจๅฌ‰ใ—ใ„ใงใ™๏ฝฏ๐Ÿฅบ๐Ÿ’–

ใƒซAL3/ ๆฌกใฎ่ชฌๆ˜Žใฏ, 3 ใงใ‚ใฃใฆ1 ไฝ™ใ‚‹ๆ•ฐใจ3 ใงใ‚ใฃใฆ ่ฟฐในใŸใกใฎใฎไธ€้ƒจใงใ™ใ€‚ ใ“ใฎใจใ, (่ชฌๆ˜Ž) ใฟ, ๅฅˆใ‚‹ๆ•ฐใฎๅ’Œใฏ, 3 ใฎๅ€ๆ•ฐใซใชใ‚‹ใ€ ใฆใจใฎใ‚ใ‘ใ‚’ ใซๆ•ฐ, ๅผ, ใ“ใจใฐใ‚’ๆ›ธใ, ่ชฌๆ˜Žใ‚’ๅฎŒๆˆใ•ใ›ใชใ•ใ„ใ€‚ ใƒถ ใ‚’ๆ•ดๆ•ฐใจใ™ใ‚‹ใจใ€‚ 3 ใงใ‚ใฃใฆ1 ไฝ™ใ‚‹ๆ•ฐใ€‚ 3 ใงใ‚ใฃใฆ2 ไฝ™ใ‚‹ๆ•ฐใฏ, hn) ใ€13ใ€ˆโ‘ฆurใ‚Œ)ใ‚‡2 ใจ่กจใ™ใ“ใจใŒใงใใ‚‹ใ€‚
่‡ณๆ€ฅ ๆ•ฐๅญฆ

Answers

3(m+n)+1+3(m+n)+2
=3m+3n+1+3m+3n+3
=6m+6n+3
=3(2m+2n+1)
2m+2n+1ใฏๆ•ดๆ•ฐใ ใ‹ใ‚‰3(2m+2n+1)ใฏ3ใฎๅ€ๆ•ฐใงใ‚ใ‚‹

ใ“ใ‚Œใงใƒ€ใƒกใงใ™ใ‹๏ผŸ

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