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prowel
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Hoang Giang Share
Janusz
办美国文凭加拿大文凭澳洲文凭英国文凭学位证毕业证成绩单
Veinas bọt EPE máy móc
Wendy Ye
![Tính giá trị: a) |-1\/2|+(-1\/3)^2:|-2|-(-2021\/2022)^0 b) 1\/9√(-9)^2 - |-3^2|-14√[1-(48\/49)]+25\/4](http://i.ytimg.com/vi/joBp0fUv5ks/mqdefault.jpg "Tính giá trị: a) |-1\/2|+(-1\/3)^2:|-2|-(-2021\/2022)^0 b) 1\/9√(-9)^2 - |-3^2|-14√[1-(48\/49)]+25\/4")
