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huy1234
2 năm trước
Tìm các số nguyên x và y biết : a, 5×2^x-1-2^x=384 b,3^x+2×5^y=45^x c,27<3^x_<243
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Giúp Cường Pò vs : Điền các từ sau vào chỗ trống : [ bi - ( two) , pre-(before) , semi-(half ) , counter - ( in the opposite direction )] * lưu ý : khi điền chỉ điền từ ở ngoài với dấu gạch ngang thôi ko điền từ trong ngoặc a .We managed to drive the enemy back , but they _______________ attacked b. The back wheel of a ___________ cycle bears more weight than the front wheel c. Dinosaurs lived millions of years ago in _____ historic times d. The pupils' desks were arranged in a _______ circle round the teacher e. His father is Greek and his mother is Italian so he's ___________lingual f . It was a ______ lateral agreement, signed by India and Pakistan g . Libby is three. She goes to a ________-school playgroup every morning h . The ___________ espionage department has caught three foreign spies i . Houses in Britain are often built in pairs . They're called ________________-detached j . He was only ___________-conscious when the ambulance arrived and he died in hospital ( Đánh máy 15 phút lun đó , mong Bạn Dịp , TIB , thieukhue giúp đc thì vô )

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