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0
2023-11-23 21:24:46
6 %
2023-11-23 21:24:20
A.30
2023-11-21 21:51:22
u(4) = { 1;2;4)
x-3=1 / x=1+3 / x=4
x-3=2 / x=2+3 / x=5
x-3= 4 / x= 4+3 / x= 7
2023-11-21 21:41:46
21 tạ= 2100 kg
14 tạ= 1400 kg