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Sixth-grade school with fifth face winter vacation think about the answer

0 Barbie Fashion2010-01-31 16:02:03 +0000 #1
Teacher Li bought two football, Teacher Chang bought four basketball, Ms. Wang bought a soccer ball a basketball 3. They were each used exactly the same amount of money. A soccer ball the price is equivalent to the price of a few?
wb0609122010-01-31 16:04:57 +0000 #2
Football set prices for x, basketball price of y, ball price of z, then: 2x = 4y = x + y +3 z

solution, get x = 2y = 6z

A: a football the price of the equivalent of six ball price.
xsqq6152010-01-31 16:39:30 +0000 #3
6 Ge

process: set up a soccer ball the price is equivalent to n-price, ball price x, basketball price y,

2nx = 4y = nx + y +3 x

find n = 6
O Honey2010-01-31 16:40:38 +0000 #4
Price-based soccer for x, basketball price of y, ball price of z, then: 2x = 4y = x + y +3 z

x = 2y = 6z

A: The price of a soccer ball the price of the equivalent of 6.
Rain__ Allure2010-01-31 17:40:38 +0000 #5
a soccer ball the price of the equivalent of 6 price

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