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fSAT数学练习题第9套参考答案
A
swer1CorrectA
swerC
Expla
atio

2x104300002x1022004x1040Thetotalis30240
2CorrectA
swerB
Expla
atio

Tofi
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theserieswe
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3CorrectA
swerC
Expla
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Substitutethegive
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umberTherighta
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Expla
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Thebigtria
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cethebigtria
glehasarea40usi
gtheratiothesmallhasarea10
5CorrectA
swerE
Expla
atio

Give
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6CorrectA
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Expla
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Theequatio
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