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Anonymous users2024-02-12Small rise to the first number.
Summary of learning and mathematics mock test papers, 2011 junior high school mathematics test papers, etc.
Summary of the total review knowledge points of elementary and junior high mathematics. rar
20 sets of 2010 elementary mathematics test papers comprehensive collection (part of the answers).RAR 1st Grade 2010 Experimental Class Admissions Paper (Mathematics).RAR 2011 Elementary Mathematics Mock Paper. rar
2011 Elementary School Mathematics Paper.
Copy without link.
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Anonymous users2024-02-11Are you crazy and want to know such a volume at 50 points? Unless you're talking about it after you've passed the test!
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Anonymous users2024-02-10I read kindness in her eyes.
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Anonymous users2024-02-09Solution: Let the merchant initially have x yuan, and the equation is listed according to the meaning of the problem:
1+1/3)*=2x
Solution: x=1480
Answer: The merchant initially paid 1480 yuan.
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Anonymous users2024-02-08Suppose the merchant's initial property is x, then first take out 100 yuan for living expenses, and the property is left x-100, and after one month, the property becomes (4 3) (x-100), then 100, and then (4 3) (x-100)-100, and after two months, the property becomes (4 3) [(4 3) (x-100)-100], and then 100 is left, and (4 3) [(4 3) (x-100)-100]-100 is left, and after the third month, the property becomes (4 3), Then the equation is (4 3) = 2x, and the equation is solved.
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Anonymous users2024-02-07Kid, I'm here to rescue you, the merchant's original property is x
then take 100 at the beginning of the first month, leaving X-100
At the end of the first month, a third is added, leaving 4 3*(x-100) at the beginning of the second month, 100 is left, and 4 3*(x-100)-100 is left, and at the end of the second month, a third is added, leaving 4 3*(4 3*(x-100)-100).
Take 100 at the beginning of the third month, leaving 4 3*(4 3*(x-100)-100)-100
In the last month, it increased by a third, leaving 4 3 * (4 3 * (x-100) -100) -100).
The final property was doubled, then.
4 3*(4 3*(4 3*(x-100)-100)-100)=2x, x=1480
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Anonymous users2024-02-06Set: The initial property has $x.
x（1+1/3）³-300=2x
64/27*x-300=2x
x=810
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Anonymous users2024-02-05The merchant's initial property was X
x-1004/3*(x-100)
4/3*(x-100)-100
4 3*(4 3*(x-100)-100)4 3*(4 3*(x-100)-100)-1004 3*(4 3*(4 3*(x-100)-100)-100, so the equation is 4 3*(4 3*(4 3*(x-100)-100)-100)=2x
Solution: x=1480
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Anonymous users2024-02-04Solution: The merchant initially had x yuan.
2x=(1+1/3)*
2x=2960
x=1480
A: The merchant initially had $1480.
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