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.V
20 Mar, 2022 @ 10:53am 
Văn đẹp zai
.V
7 Mar, 2021 @ 9:22am 
integral cot (ax+b) = positive 1/a . ln ( sin(ax+b) )
.V
7 Mar, 2021 @ 9:19am 
integral tan (ax+b) = negative 1/a . ln ( cos (ax +b))
死生有命, 富贵在天
11 Feb, 2021 @ 11:31am 
vao choi di ong, toi cung nam 2 r
Tralalero Tralala
11 Feb, 2021 @ 11:30am 
bon toi sinh vien nam 3 r
nDayz
5 Jan, 2021 @ 7:07am 
♥♥♥♥♥♥♥ noob
chinhlaanh
17 Nov, 2020 @ 7:22am 
lam nvu steam