Mathematics
Junior High
Solved
๐จ่ณๆฅ๐จ
ๅ็ใฎๅ้กใฎ่งฃใๆนใๆใใฆใใ ใใ๏ผ๏ผ้ไธญๅผใๅซใใฆ1ใ2ใฉใฃใกใ๏ผ
x=-2,y
=
= 1/3ใฎใจใ,ๆฌกใฎๅผใฎๅคใๆฑใใชใใใ
(1) 3xยฒ-2xร4y
(2) 6x2yรท3xรท(-2y)
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