河南省郑州市十校2021-2022学年高二上学期期中联考理科数学试题含答案

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ᓝ᪥2021-2022ὶὃᳮᦪஹ⌱⚪⚪ᐳ12⚪⚪5ᑖᐳ60ᑖ஺ᙠ⚪Ḅ⌱⚗ᨵ⚗ᔠ⚪⌕!Ḅ.1.$%&/+)12<0Ḅ+,-()A.(-co,-4)U(3,+oo)B.(-co,-3)U(4,+oo)C.(-4,3)D.(-3,4)2.ᙠᦪᑡ=4"?q=l,a-a=2(«eN*),ᑣKḄL-n+In()A.50B.49C.89D.99Q3.PQx>0,ᑣTᦪy=x+-ḄᨬL()xA.6B.5C.4D.34.PQᦪᑡ=%?%Xᦪᑡ%+%+஺9=18,ᑣᐸZ13⚗Ḅ[()A.45B.56C.65D.785.ᐵ^XḄ$%&6-6<0Ḅ+,(2,+8),ᑣᐵ^xḄ$%&3+b)(x-3)<0Ḅ+,()A.(-oo,-2)u(3,+00)B.(-2,3)C.(2,3)D.(-oo,2)u(3,+oo)6.᝞c஺ah>h27.klmnḄoᦪx,$%&p*2-&+1>0ឤᡂiᑣoᦪsḄtLv()A.(0,4)B.[0,4)C.(0,+oo)D.[0,+oo)8.AB=2,AC=3,ZB=60\ᑣcosC=()y1z{ᳮᦪ1⚓

1A.~R+CnD.±--C.----U.333>/69.ᙠ/6CᑁA,B,CᡠlḄᑖa,b,c.k2=4—62+6,QᑣA46CḄ☢B.⌳C.A.322D.3m10.x>0,y>0,k9ஹ3ுḄ%⚗ᑣᑘḄᨬᜧL-111A.——B.—C.-32168D.-411.PQᦪᑡ{%}ḄZ஻⚗[-S,,,4=2,S,M=2S1(஻eN*ᑣ4=A.32B.256C.128D.6412.[x]⊤$xḄᨬᜧ᦮ᦪ᝞[3.14]=-4,[3.14]=3.PQᦪᑡ?%=1,a=Q஻+஻+1n+}11,1(஻wN*),ᑣ—4--+L4--------=()_a\a2“2022_A.1B.2C.3D.4¢ஹ£¤⚪⚪ᐳ4⚪⚪5ᑖᐳ20ᑖ.x>013.PQxஹy4¥20,!z=2x-3yḄᨬL-x+y<214.AABCḄᑁ4§஺ᡠlḄ¨ᑖ-©ª஺kb+c=2a,y2z{ᳮᦪ1⚓

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320.12ᑖ=%?-%ᦪᑡᦪᑡ¬,?-%Xᦪᑡ஽=8=3,%=஽=91!cn=M,ᦪᑡ=c,Jᨬᜧ⚗yK⚗!sḄLÃan24,=Ь!ᦪᑡ=஻?ḄZ஻⚗[7Ã21.(12ᑖ)ᙠ/a'PQa+¢---s'n"---,®cos(4—8)+cosasin5—sinAC=l—cos2c.(1)ÒÓga'ḄÔÕÃ(2)!ÖḄtLv.22.12ᑖ1PQTᦪ/x=ax2-a+2x+2஺-×ᦪ!$%&/xØ0Ḅ+,Ãy4z{ᳮᦪ1⚓

42)ᔲÚᙠoᦪ4,lmnḄxeR,yeR,x2+8y2>Ay(x+y)+2xឤᡂikÚᙠ!oᦪ2ḄtLvk$ÚᙠÒ·¸ᳮᵫ஺y5zÎᳮᦪ1⚓

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6ὶiu~+—ub=4,_<=a=b=2.ab=4........6ᑖ(2)QsinC+sin(5-A)=2sin2A/.sin(B+4)+sin(5ï)=4sin/?.sinBcos=2sinJCOSA,............8ᑖÊcosJ=0ËA=#Ã...•…..9ᑖ2Êcos/w0Ësin8=2sinA,ᵫ¯égᳮêb=2a,ὶia2+b2-ab=42473<2+êQ=-----b=,:.b2=1,-1>0x-1x-1.…2ᑖy7z{ᳮᦪ1⚓

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