tieuthulove
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tìm min
(150/(4.tan&))+{[300/sin&]/[7.5.cos&+căn[(7.5.cos&)^2+16]]}
ặc ặc!kinh hoàng
::60::60:
(150/(4.tan&))+{[300/sin&]/[7.5.cos&+căn[(7.5.cos&)^2+16]]}
ặc ặc!kinh hoàng
::60::60:
&=anpha
hic1minhf ko bit cachs vieets