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SAT数学教程全解析
I解题技巧训练1Theu
itsdigitof23333ishowmuchlesstha
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dredthsdigitofA1B2C3D4E5
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gCANNOTequaltA1B2C4D9E257If3t36s9a
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11xyxyIfy2whatareallpossiblevaluesofxthatsatisfytheequatio
aboveAx0B0x1C0x2D1x2Ex2
II算术——对应知识点训练
1代数题1Karlboughtxbagsofredmarblesforydollarsperbaga
dzbagofbluemarblesfor3ydollarsperbagIfheboughttwiceasma
ybagsofbluemarblesasredmarblesthe
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termsofywhatwastheaveragecosti
dollarsperbagofmarblesA2yE6y
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dMrRightthe
sold60oftheremai
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dWhatperce
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al
umberofpiesdidMrRighthaveleftA10B18C28D36E403Atatrackmeet25ofthefirstplacefi
ishersatte
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d12ofthemweregirlsIf29ofthefirstplacefi
isherswhodidNOTatte
dSouthportHighSchoolweregirlswhatfractio
alpartofthetotal
umberoffirstplacefi
isherswereboysA19B215C718D35E232中位数（4）Numberofsibli
gsperstude
ti
apreschoolclassNumberofsibli
gs0123NumberofStude
ts3621
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gsLatera
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umberofsibli
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