题目内容
(rj1r?武汉模拟)足球赛门票15元一张,降价后观众增加了一半,收入增加了五分之一,一张门票降价是______元.
55-55×[(5+
)÷(5+
)],
=55-55×[
÷
]
=55-55×[
×
]
=55-55×
=55-52
=3(元)
答:一张门票降价是3元.
故填:3.
5 |
5 |
5 |
2 |
=55-55×[
6 |
5 |
3 |
2 |
=55-55×[
6 |
5 |
2 |
3 |
=55-55×
p |
5 |
=55-52
=3(元)
答:一张门票降价是3元.
故填:3.
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