Mathematics
Junior High
Resolved
この問題xとy入れ替えないんですか？②です
2
②
5
XXY, I
T
5
✰
- 10x² +147
3
(94-6) × ( - 12/2y)
2
2²-6 4 ²7 44
4y
2%
(-2xy+8x²) -
÷
2
7x
= -7y + 28 x
(x²y—2x)÷-1⁄2 x
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