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graffiti 2mp-2.4g single frequency | ¥76.7 | 19999 table available |
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graffiti 3mp-2.4g single frequency | ¥89.7 | 1 table available |
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graffiti 3mp-2.4g/5g dual frequency | ¥97.5 | 1 table available |
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chuangshi cloud 2mp-2.4g single frequency | ¥44.2 | 1 table available |
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chuangshi cloud 3mp-2.4g single frequency | ¥58.5 | 1 table available |
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chuangshi cloud 3mp-2.4g/5g dual-band | ¥66.3 | 1 table available |
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Global department store hot-selling products supply 2yr.
Main Products:Department Store
Contacts:Bian WeiChat
Mobile:86-18241870207
Address:浙江省 金华市 东阳市 白云街道,Yiwu City,Jinhua City City,Zhejiang Province
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Special Note:
Our products are default in English (including system sounds, packaging boxes, instructions, etc.), but you can contact us for customizations.
Please note that our store does not support one-time shipment (no shipping), please place your order according to the minimum order quantity given by the customer service, thank you for your cooperation.
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1. 解:由题意可知,当x=1时,y=2,代入不等式得:
2x + 3y = 5
解得:x = 1,y = 1
所以,当x=1时,y=2满足不等式2x + 3y = 5。
2. 解:由题意可知,当x=1时,y=2,代入不等式得:
2x + 3y = 5
解得:x = 1,y = 1
所以,当x=1时,y=2满足不等式2x + 3y = 5。
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