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26=C10ᜩEFḄGHᦪIJ420K.(2)ᵫ )QOWxVIOR)p=2>Q10WxW20R)@P=kx+b,S(10,2),(20.3)ᐭ )U”ᱏ>) XYZ)p=O.lx+l>জ0Wx<6R)w=(4-2)X34x=68x,Qx=6R)wA=408(ᐗ)>ঝ6ঞ10VxW20R)w=(4-O,lx-1)X(20x+80)=-2x2+52x+240,Va=-3<0,bQ*=-=13R)wᨬᜧ=578 ᐔ?>2ahi)Qx=13R)wᨵᨬᜧk)ᨬᜧkJ578.l ᐗK? L]A1020x ᜩ?ூSm"⚪ὃoḄ_ᦪᙠq▭EstḄuᵨ)v⌕_ᑭᵨᦪḄ;3ឋᨬkx⚪)ᑭᵨ:ᦪḄ;3ឋᨬk)ySᙠ/z{⚪|}~)ᑡᐵḄᦪᐵ(8.ஹ=⚪"ᜧ⚪ᐳ2⚪)ᐳ20ᑖ=ᑏᙠ=⚪ᓱuḄi25. 9.00ᑖ 2018ḝ?জ)ᙠABCDt)ACLBD/SE,AB=AC=BD,SMJBCtS)NJAMiḄS)MB=MN. 1BNᑖNABE> 2BD=1,DN,QDNBCJR)BCḄ>
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28,/DNBC_))DN=BC=2a,ᙠAABN
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343 M ᦪḄefgJ᪷tMᦪḄgJ⌮veᙠM ᦪḄefgJ᪷2Zxyz{Jveᩭ|}.4.\ᦪḄឋ]1ᙠ\ᦪᑁḄᭆjtᙠᨵᳮᦪᑁ᪵.\ᦪaḄ ᙠᦪ^ᦪḄtSḄ .2 \ᦪḄ0\ᦪaḄ 3*+\ᦪḄ 3Ḅᦪ0Ḅ 0.3 \ᦪaḄZ⊤&|a|={aaNO -aa<0 , \ᦪaḄ/ ᦪᓽ|a20.ᨵ|x|=aa20 ,ᑣx=±a.\ᦪḄ᎔ᦪ{1Ḅ\ᦪ᎔ᦪᓽatb᎔ᦪᑣab=lab=l,ᑣatb᎔ᦪᱯḄ 0ᨵ᎔ᦪ.5.\ᦪḄve1\ᦪḄveNᙠᨵᳮᦪᑁ᪵Ḅ \ᦪZxஹஹ{ஹ◀ஹ{JveZxsJveᐸB\ᦪZxsgJ.2 ᙠ\ᦪve2Nᨵᳮᦪve᪵⌕ᑮᓽᐜe{JஹsJ¡e{◀ᨬ£eᨵ¤dḄ⌕ᐜe¤d☢Ḅ_ve⌕ᢥ᯿¦ᑮᨵḄ§¨.©ᨵᳮᦪḄveIᙠ\ᦪᑁ«ᯠ〉ᵨ.ூHIJ:\ᦪveḄ"°ᐵQ”1.ve:ᑣ0{JNsJveஹ²Ḅveஹᢣᦪ³ᱯ ᦪᢣᦪ0ᢣᦪ´veஹ᪷@veஹᱯµ°¶·ᦪḄ¸ex¹Ḅᓄ».2.ve§¨0ᐜ{J¡{◀£ᨵ¤dḄᐜe¤d☢Ḅᙠ_veB⌕¦ᑮ¼½¾ve¿ÀÁFve ⌕ᐜ/Âd£ve.3.veIḄÃᵨ0ÃᵨveIZx»ᓄveveÄÅNÆ.Å.
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36ãÐ@:tã@:Ḅðᔠvᵨ.10.ᑖḄᓄᐜ=ᑖ@ᓄ»£¡=ᑖ@BòóᦪḄôᐭM[ᑖ@Ḅ.ᙠᓄ»Ḅö÷B⌕ve§¨Nᑖ@Ḅᓄ».ᓄ»Ḅᨬ£L!ᑖøஹᑖ$⌕ùᑖveḄL!⌕ᓄᡂᨬ»ᑖ@ᡈ@.ூHIJ:ᑖ@ᓄ»M2◤Ḅû⚪1.ᓄ»Mk ᐜᓄ»ᨬ»ᑖ@ᡈ@¡ôᐭM.ᓄ»2ÉÖýÅþᜧÙÿ ⌕ḄᐭḄ"…2.ᐭᨵᐭ ᐭ ᵨ.!⚪#᪷%⚪&Ḅᐹ ᩩ)⌱+ᔠ〉Ḅ../ᦪḄ1ᨵ2345ᡠ⌱7Ḅ./ᦪḄ89:Ḅᔜᑖ=ᨵ>?@◀ᦪBC0.11.ᢣᦪDᢣᦪFGa0=l(aWO)ᵫam+am=l,am+am=amm=a#J5aJl(aWO)K>G0°^l.12.&ᦪᢣᦪ(LᦪᢣᦪMGaP=lap(aWO,pNᦪ)K>GজaWOঝQRLᦪᢣᦪST⌕᪷%LᦪᢣᦪFḄ>?QRUV5W(-3)2=(-3)X(-2)Ḅ┯[.ঞ]ᦪ^ᑖᦪ_⌕`ᑖaஹᑖcd᎔Lᢣᦪf#gNᢣᦪ.টᙠjᔠkR:lm⌕K>kRḄno.13.᪷/0ᦪḄᐵ0(1)pqr⚗tᦪ1, ᵨuvᐵtGXIX2^xx2+px+q=0Ḅy᪷Xl+X2=-pxiX2=q,z{ᩭ#}P=-(X1+X2),q=XiX2~ὅ^/tᦪ3T᪷Ḅᐵ
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