Bui Huy Chuong
Giới thiệu về bản thân
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2023-12-20 21:49:30
=(2+1/3-1/5)-(7-3/5-4/3)-(1/5+5/3-4)
=(120/60+20/60-12/60)-(420/60-36/60-80/60)-(12,60+100/60-240/60)
=120+20-12/60-420-36-80/60-12+100-240/60
=128/60-394/60-(-128)/60
=128-394+128/60
=-138/60
=-2,3