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Cho hàm số y=\(\frac{1}{3}x^3+mx^2+\left(2m-1\right)x-1\). mệnh đề nào sau đây sai
Cho hàm số y=\(\frac{1}{3}x^3+mx^2+\left(2m-1\right)x-1\). mệnh đề nào sau đây sai
\(\left(3x^4-8x^3-5+8x-10x^2\right):\left(-2x^2+1+3x\right)\)
1.Làm tính nhân :
a) (-2x^3+frac{3}{4}y^2-7xy) . 4xy^2
b) (-5x^{^{ }3}).(2x^2+3x-5)
c) (x^2-2x+3).(x-4)
d) (2x^3-3x-1).(5x+2)
2.Tính nhanh
a) 892^{^{ }2}+892 . 216+108^2
b) 36^2+26^2-52.36
Đọc tiếp
1.Làm tính nhân :
a) (-2x\(^3\)+\(\frac{3}{4}\)y\(^2\)-7xy) . 4xy\(^2\)
b) (-5x\(^{^{ }3}\)).(2x\(^2\)+3x-5)
c) (x\(^2\)-2x+3).(x-4)
d) (2x\(^3\)-3x-1).(5x+2)
2.Tính nhanh
a) 892\(^{^{ }2}\)+892 . 216+108\(^2\)
b) 36\(^2\)+26\(^2\)-52.36
giải phương trình
\(x^2-2x+7+\sqrt{x+3}=2\sqrt{4+8x}+\sqrt{1+\sqrt{1+8x}}\)
Viết câu cùng nghĩa:
1. The science books are on the shelves on the right. They are very interesting.
) The science books on the shelves ____________________
2. The girl is on the right corner of the room. She is Mai.
) The girl on __________________________.
Dùng từ gợi ý, viết thành câu hoàn chỉnh:
1. Literature/ I/ read/ books/ write/ what/ I/ read
2. These racks/ left/ magazines/ and/ those racks/ right/ newspapers.
3. Where/ I/ find/ reference books/ readers?
Đọc tiếp
Viết câu cùng nghĩa:
1. The science books are on the shelves on the right. They are very interesting.
=) The science books on the shelves ____________________
2. The girl is on the right corner of the room. She is Mai.
=) The girl on __________________________.
Dùng từ gợi ý, viết thành câu hoàn chỉnh:
1. Literature/ I/ read/ books/ write/ what/ I/ read
2. These racks/ left/ magazines/ and/ those racks/ right/ newspapers.
3. Where/ I/ find/ reference books/ readers?
Give a ...... before you turn left or right.
a. Signal
b. Turn
c. Sound
d. Sign
1.you must drive careully here
a. left luggage open 24 hours
2. you can eat cheaply here
b. dangerlice on road
3.you can stay here on holiday
c.camp- site open all year
4.you can find work here
d.job agency we are got the right iob for you
5. you can leave your luggage here
e.joe snack bar cheapest price in town
Đọc tiếp
| 1.you must drive careully here | a. left luggage open 24 hours |
| 2. you can eat cheaply here | b. dangerlice on road |
| 3.you can stay here on holiday | c.camp- site open all year |
| 4.you can find work here | d.job agency we are got the right iob for you |
| 5. you can leave your luggage here | e.joe snack bar cheapest price in town |
x,y là 2 số tự nhiên thỏa mãn x+2y=3
Tìm gtnn (giá trị nhỏ nhất) của E= x2+2y2