( 1 + 2 x 3 - 4 : 5 + 6 x 7 - 8 : 9 ) x 1 x 2 x 2 x 3 x 3 x 3 x 4 x 4 x 4 x4 x ... x 9 x 9 x ... x 0 =
Số bé hơn 200 mà lớn hơn 300 là ?
123.456.789 + 987.654.321 - 11.111.110 = ?
24680 + 13579 <-> 86420 + 97531 --> lớn , bé , bằng ?
9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 <> 10^9 ---> số nào lớn hơn ?
0 x 0 : 0 + 999 - 987 +(1029384756 + 0192837465) -1234567890 x 0987654321 : 0 = ?
tìm x
a) 8x^3 - 50 = 0
b) (x+9)^2 + 2(x+9)(x-3) + (x-3)^2 = 0
tìm x biết
a/ x^3-x^2-x+1=0
b/(2x^3-3)^2-(4x^2-9)=0
c/x^4+2x^3-6x-9=0
d/2(x+5)-x^2-5x=0
Giải Phương trình
\(x-\dfrac{x+2}{3}< 3x+\dfrac{x}{2}+5
\)
\(\dfrac{x}{2}+\dfrac{1-x}{3}>0\)
\(\left(x-9\right)^2-x\left(x+9\right)< 0\)
Tìm x,y:
(y-2).(y-3)+(y-2)-1=0
x^3+27+(x+3)(x-9)=0
2(x+3)-x^2-3x=0
(x-7)(x+3)=(x+3)(2x-9)
36-x^2+2x-1=0
Tìm x,y :
a)(y-2).(y-3)+(y-2)-1=0
b)x^3+27+(x+3).(x-9)=0
c)2(x+3)-x^2-3x=0
d)(x-7).(x+3)=(x+3.(2x-9)=0
e)36-x^2+2x-1=0
9x^2-4-(3x-2)(x+5)=0
x^3+64+(x+4)(2x-3)=0
(x-3)(x^2+4x+9)+2(x^2-9)-10(x-3)=0
tìm x biết
a/ x^3-x^2-x+1=0
b/(2x^3-3)^2-(4x^2-9)=0
c/x^4+2x^3-6x-9=0
d/2(x+5)-x^2-5x=0
a, x^3-6x^2+11x-12=0
b, (x-3)^2-16=0
C, (x^2-9).(3x+2)=(x^2-9).(x^2-3)
D, x^3-x^2+x-1=0
E, x^3+x^2-x-1=0
Giải phương trình
Tìm x
x^2 - 4x = 0
4x^2 - 9 = 0
2x ( x - 3 ) + 5( x - 3 ) = 0
x ( 2x + 9 )- 4x - 18
( 2x - 1 )^2 - ( x + 2 )^2 = 0