Tìm các số nguyên d, x, y thuộc Z biết:
x2 + y2 + z2 + xyz= 20
LÀM ƠN GIÚP MÌNH VỚI....
...... NHANH NHANH NHANH😭😭😭😭😭😭😿😿😿😿
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1. He was so weak that he couldn't stand.
=> He was too weak to stand.
2. He is now strong. He can work without help.
=> He is strong enough to work without help.
3. That knife is very sharp. You ought not to give it to a little boy.
=> That knife is too sharp to be given to a little boy.
4. He was polite. He asked us to dinner.
=> He was too polite to ask us to dinner.
5. The teacher explained very clearly. Everybody understood.
=> The teacher explained clearly enough for everyone to understand.
1. He was so weak that he couldn't stand.
=> He was too weak to stand.
2. He is now strong. He can work without help.
=> He is strong enough to work without help.
3. That knife is very sharp. You ought not to give it to a little boy.
=> That knife is too sharp to be given to a little boy.
4. He was polite. He asked us to dinner.
=> He was too polite to ask us to dinner.
5. The teacher explained very clearly. Everybody understood.
=> The teacher explained clearly enough for everyone to understand.
những bụi tre ngà vì bị ngựa phun lửa nên ngả màu vàng óng.những vết chân ngựa thành những hồ ao liên tiếp.khi ngựa thét ra lửa,lửa đã thiêu cháy 1 làng ,nên làng đó gọi là làng Cháy
Tham khảo
STT | Tên loài giáp xác | Loài địa phương đã gặp | Nơi sống | Có nhiều hay ít |
1 | Mọt ẩm | Mọt ẩm | Ẩm ướt | Ít |
2 | Con sun | Không | Ở biển | Ít |
3 | Rận nước | Rận nước | Ở nước | Ít |
4 | Chân kiếm | Không có | Ở nước | Ít |
5 | Cua đồng | Cua đồng | Hang hốc | Nhiều |
6 | Cua nhện | Không | Ở biển | Ít |
7 | Tôm ở nhờ | Không | Ở biển | Ít |
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