2022-2023学年广东省珠海某中学七年级（上）期中数学试卷（含解析）

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2022-2023
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13203652¿À82(98)(114)(2)èé22243840ê&ë᪾kᦪì“»îᵨïaḄGð⊤ñ᜜ÚÜᦪ(a+16)(a+18)ᢥôõTöᙠÛÜ÷øùú)᪾ᑁ9ᦪäü432,ýᙠ»Oþᜐᦪìýᙠ»ÿᳮᵫ.ூᑖ᪆௃(1)⊤ᓽ(2)⊤᪷ᓽ(3)ᜐᦪx,ᵫ᪾ᑁ9ᦪ!432"(x-18)+(%-16)+(x-14)+(x-2)+x+(x+2)+(x+14)+(x+16)+(x+18)=432,#$%&'($▣"*ᫀ.

14#-(1)"-123ᦪ4523ᦪᜧ16,82(98)(114)ᦑ*ᫀ!-98,114(2)>᜜@3ᦪ⊤᝞1-a(a+2)(a+16)(஻+18)ᦑ*ᫀ!-஺+2,iz+16,஻+18(3)HIᙠᳮᵫ᝞1-ᜐᦪx,L>᜜83ᦪᑖMx-18,x-16,%-14,P-2,x+2,x+14,x+16,x+18,(x-18)+(x-16)+(x-14)+(x-2)+x+(x+2)+(x+14)+(x+16)+(x+18)=432,#"x=48,>᜜83ᦪᑖM30,32,34,46,50,52,54,56,ᵫ'(Ꮤᦪ$▣(HUᵨWX᪾ᑁY᪵Ḅ9ᦪ.23.᝞\ᙠᦪ]5A_⊤`ᦪm3_⊤`ᦪAA5⊤`A_8_bḄcdebfg|஻+2|+|஺-6|=0.(1)A_⊤`Ḅᦪ!-2,8i_⊤`Ḅᦪ!6(2)jAஹ8i_bIᙠ2_C,eAC=23C,mC_⊤`Ḅᦪ(3)jᙠn_஺ᜐo2ᢱq2rᳫᵬu_Aᜐv13ᓫx/zḄ{|ᔣ~>2rᳫu_8ᜐv23ᓫx/zḄ{|ᔣ~ᙠᑮᢱq(ᶍᳫḄᜧr2_)ᳫḄ{|ᔣḄ$ᔣḄb!/(z)জᵨ/Ḅ⊤`ᵬᳫᑮn_Ḅcd-2+/ᳫᑮn_Ḅcd-6-21(0W/W3)ᡈ2L6஺3)ঝmᵬiᳫᑮn_ḄcdᔊḄb.---1----1--------------1----------------►AOBூᑖ᪆௃(1)ᵫḄឋ"*ᫀ;

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