Đáp án mới nhất

2

CMR$A=220^{11969}+119^{69220}+69^{220119}$ chia hết cho $102$
0

tìm m để BPT sau có nghiệm $x^2+2|x-m|+(m^2+m-1)\geq0$
3

Giải bất phương trình : $|2x-3|+|2x-7| \leq \sqrt{12+4x-x^{2}}$
5

Giải bất phương trình : $|2x-3|+|2x-7| \leq \sqrt{12+4x-x^{2}}$
3

tinh gia tri bieu thuc $B=\frac3{(1.2)^2} + \frac5{(2.3)^2} + \frac7{(3.4)^2} +...+ \frac{4033}{(2016.2017)^2} $ket qua dang phan so
2

$1) (x^2+3x+1)(x^2+3x-3)\geq 5$$2) |x-6|>|x^2 - 5x + 9|$$3)\sqrt{x^4-2x^2+1}\geq 1-x$$4)2|x-3|-|3x-1| < x + 5$
1

$|x^2+3x-4|+|x^{2011}+2011x-2012|=0$
1

1) Giải bất phương trình sau:$a.\left| {x-3} \right|+\left| {x-4} \right|<x+4.$$b.\frac{\left| {2x+3} \right|}{x-1}\geq 3.$
1

1) Giải bất phương trình sau:a. $\frac{\left| {x-3} \right|}{x^{2}-5x+6}\geq 2.$+ Có thể giải bằng cách quy đồng ko?
2

Giải phương trình bất phương trình sau :$a)x+|3-2x|\geq |x+1-1|$ $b)|x^{2}-20x-9| = |3x^{2}+10x+21|$$c)|x-6|\geq |x^{2}-5x+9|$
3

1) Giải bất phương trình sau:a. $\frac{\left| {x-3} \right|}{x^{2} - 5x +6}$ $\geq$ 2.* các bạn giải logic tí nhé thầy mình khó lắm!
1

1) Giải bất phương trình sau:a. $\frac{\left| {x-3} \right|}{x^{2} - 5x +6}$ $\geq$ 2.* các bạn giải logic tí nhé thầy mình khó lắm!
5

Giải bất phương trình sau: $\left| {\frac{x^2+3x-1}{x^2+x-2} } \right|<1$
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