23
2
8
A+B=X-Y+Z
dale dale dale ๐Ÿ™ƒ๐Ÿ™ƒ๐Ÿ˜›๐Ÿ˜›๐Ÿ˜› ๆ›ดๅคš
่ฏ„่ฎบ
ๅ–ๆถˆ
ๅ‘้€