Các câu hỏi tương tự
Tìm xin Z:a. 2timesleft(x-5right)-3timesleft(x-4right)left(-6right)+15timesleft(-3right)b.left(2x-5right)-722c.left(2timesleft|xright|-6right)times1144d.left|x+3right|+left|x+5right|+left|x+9right|4xe.left|x-1right|+left|x-5right|4g.x+left(x+1right)+left(x+2right)+.......+1000
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Tìm \(x\in Z\):
a. \(2\times\left(x-5\right)-3\times\left(x-4\right)=\left(-6\right)+15\times\left(-3\right)\)
b.\(\left(2x-5\right)-7=22\)
c.\(\left(2\times\left|x\right|-6\right)\times11=44\)
d.\(\left|x+3\right|+\left|x+5\right|+\left|x+9\right|=4x\)
e.\(\left|x-1\right|+\left|x-5\right|=4\)
g.\(x+\left(x+1\right)+\left(x+2\right)+.......+100=0\)
Nhờ mn giúp mik với ạ
Tìm GTNN
A= \(\left(x-3y\right)^2+\left(2x-1\right)^4\)
B= \(\left|x-2\right|+\left|3x-2y\right|-4\)
C= \(\dfrac{-4}{\left|x+1\right|\left|y-3\right|+2}\)
D=\(\left|x-5\right|+\left|x-1\right|+7\)
Tìm x \(\in Z\)
a,\(\left|2x-1\right|=\left|x+3\right|\)
b,\(\left(x^2-1\right)\left(x^2-20\right)\le0\)
c, \(\left(x+1\right)+\left(x+3\right)+\left(x+5\right)+...+\left(x+2015\right)=0\)
d, \(\left(x-3\right)+\left(x-2\right)+\left(x-1\right)+...+10+11=11\)
1. Tìm x biết:
\(\left(3\times x-15\right)^7=0\)
\(10-\left\{\left[\left(x:3+17\right):10+3\times2^4\right]:10\right\}=5\)
Giúp mik với mọi người ơi !!!!
Tìm \(x\in Z\) biết \(\left(x^3+5\right)\times\left(x^3+10\right)\times\left(x^3+15\right)\times\left(x^3+30\right)
Tìm các số nguyên x thỏa mãn :a, left(x-2right)left(x-7right) 0b, left(x^2-3right)left(x^2-10right) 0c, left(x^2-1right)left(x^2-4right)left(x^2-7right)left(x^2-10right) 0d, left(x^3+5right)left(x^3+10right)left(x^3+15right)left(x^3+30right) 0
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Tìm các số nguyên x thỏa mãn :
a, \(\left(x-2\right)\left(x-7\right)< 0\)
b, \(\left(x^2-3\right)\left(x^2-10\right)< 0\)
c, \(\left(x^2-1\right)\left(x^2-4\right)\left(x^2-7\right)\left(x^2-10\right)< 0\)
d, \(\left(x^3+5\right)\left(x^3+10\right)\left(x^3+15\right)\left(x^3+30\right)< 0\)
\(\left(^{x^2}\times y\right)^{^5}\times\left(x^2\times y^2\right)^7\times\left(x\times y^2\right)^6\times x^3\)
Tìm x,y biết :a) left(3-2xright)^2+left(y-5right)^{20}0b) left(2x-1right)left(x+2right)ge0c) left(x-3right)left(x-4right)le0d) x^2+4xge0e) x^2-7xle0f) y^2-3xy-10g) y^2-4xy-51h) left(x-12right)left(y+5right)7i) xy-2x+3y8k)2xy-3x+y-35 ___________________________________Mn ơi giúp mik nha !!!____________________________ ___________________________ Ai nhanh và đúng mik tick cho ___________________________
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Tìm x,y biết :
a) \(\left(3-2x\right)^2+\left(y-5\right)^{20}=0\)
b) \(\left(2x-1\right)\left(x+2\right)\ge0\)
c) \(\left(x-3\right)\left(x-4\right)\le0\)
d) \(x^2+4x\ge0\)
e) \(x^2-7x\le0\)
f) \(y^2-3xy-1=0\)
g) \(y^2-4xy-5=1\)
h) \(\left(x-12\right)\left(y+5\right)=7\)
i) \(xy-2x+3y=8\)
k)\(2xy-3x+y-3=5\)
___________________________________Mn ơi giúp mik nha !!!____________________________
___________________________ Ai nhanh và đúng mik tick cho ___________________________
a.2left(x-5right)-3left(x+7right)14b.5left(x-6right)-2left(x+3right)12c.3left(x-4right)-left(8-xright)12d.-7left(3x-5right)+2left(7x-14right)28e.5left(3-2xright)+5left(x-4right)6-4xf.-5left(2-xright)+4left(x-3right)10x-15g.2left(4x-8right)-7left(3+xright)|-4|left(3-2right)h.8left(x-|-7|right)-6left(x-2right)|-8|.6-50cứ từ từ mà giải cũng đc
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\(a.2\left(x-5\right)-3\left(x+7\right)=14\)
\(b.5\left(x-6\right)-2\left(x+3\right)=12\)
\(c.3\left(x-4\right)-\left(8-x\right)=12\)
\(d.-7\left(3x-5\right)+2\left(7x-14\right)=28\)
\(e.5\left(3-2x\right)+5\left(x-4\right)=6-4x\)
\(f.-5\left(2-x\right)+4\left(x-3\right)=10x-15\)
\(g.2\left(4x-8\right)-7\left(3+x\right)=|-4|\left(3-2\right)\)
\(h.8\left(x-|-7|\right)-6\left(x-2\right)=|-8|.6-50\)
cứ từ từ mà giải cũng đc