2020年人教版七年級上冊期末?？碱}型復(fù)習(xí)訓(xùn)練-含答案

）月）66773）332）xyxyxyyx22xx與xyyz與43xxxmm2+））ABACBCABcmMNCMN、、cm）．1x3xx）xxx）xxx）axxyxbxyxab﹣與﹣﹣）2222ababbbaa＝aan）+22個）個個個．AA．AABB4．x2OABAOB．xa3a．nn2．﹣]．42abababababab﹣﹣222222Akm）AAAabc、、bcbcacab﹣+﹣﹣cacbac+﹣23m33mm633mm5m6333m8m33m143ama223a含m33？3ABcmCABDEACBC、、的CABDE＝cm；DE＝ACcmcm；DECAOBCOCODOE、4AOCBOCDOEOCAB、CECECEFAE是CECEABCFAB＝、、，AC＝BE，＝；CEACEBECF在、與CPE3BQA從1BtttP、Q15參考答案A．．A．DD．AB．xmmC．A．MN、ACBC、CM＝ACCN，＝BC，6MNCMCN+＝ACBCAB＝（+ACBC∴＝+C．xxxB．a(chǎn)xxyxbxyx﹣與﹣2222axxyxbxy∴﹣﹣2222axbxy）22ab∴ab故﹣A．a(chǎn)bbbab＝aaaa）22ab，+nnn（C．AAAABB4ABB47＝xxxxxx＝，AOBxxaa3a…nnnnxxxx8xx＝．a(chǎn)bab22ab∴ababababab﹣﹣）22222ababababab﹣22222ab，2abab把22Akm；Akm5；Akm4；Akm5；Akm8；Akm2；Akm1；A9kmAkm距1；acbacb＜|bcbcacab∴﹣+﹣﹣bcbccaab﹣+﹣﹣）bb2．cac+2cac+2cac∴+ca∴bacb而﹣baaaa2xm，310x∴xx33．cm；cm；DECDE、ACBC、ADDCCEEB＝，＝，DEDCCEADEB∴＝+＝+＝AB，DECOCODOEAOCBOC、，∴，DOEOCAB、AB∴CECF∵EF∴FAE是AFEF∴＝ACAFCF∴＝﹣BEABAE＝﹣FAE是11AFEF∴＝AFFExxCF設(shè)＝＝BExx∴）BECF∴tPtQt，PQttttt＝或tPttQt，PQttttt＝或t∴為12x∴xx33．cm；cm；DECDE、ACBC、ADDCCEEB＝，＝，DEDCCEADEB∴＝+＝+＝AB，DECOCODOEAOCBOC、，∴，DOEOCAB、AB∴CECF∵EF∴FAE是AFEF∴＝ACAFCF∴＝﹣BEABAE＝﹣FAE是11AFEF∴＝AFFExxCF設(shè)＝＝BExx∴）BECF∴tPtQt，PQttttt＝或tPttQt，PQttttt＝或t∴為12x∴xx33．cm；cm；DECDE、ACBC、ADDCCEEB＝，＝，DEDCCEADEB∴＝+＝+＝AB，DECOCODOEAOCBOC、，∴，DOEOCAB、AB∴CECF∵EF∴FAE是AFEF∴＝ACAFCF∴＝﹣BEABAE＝﹣FAE是11AFEF