tim x
2193 : {[( 2223 -18x ) : 135 ] +123} + 1996= 2013
1722:{5740:[1470-(125+75.x)]}-114=13
2193:{[(2223-18x):135-7]+123}+1989=2006
{[(2x+14):2^2-3]:2}+19=20
123*X+128*X+1996=16052
TIM X?
< = > 251x + 1996 = 16052
251x = 16052 - 1996 = 14056
x = 14056/251 = 56
x*(123+128)=16052-1996
x*251=14056
x=14056:251
x=56
123*X+128*X+1996=16052
=> (123+128)*X=16052-1996
<=> 251*X=14056
=> X=14056/251
<=> X=56
X^4-2223.x^3+2223.x^2-2223.x+2223 tại x=2222
123*x+128*x+1996=16052
123*x+128*x+1996=16052
123*x+128*x=16052-1996
123*x+128*x=14056
(123+128)*x=14056
251*x=14056
x=14056:251
x=56
123*x+128*x+1996 =16052
123*x+128*x =16052-1996
123*x+128*x =14056
x (123+128) =14056
x* 251 =14056
x =14056:251
x =56
123+128*x+1996=16052
251*x+1996=16052
251*x=16052-1996
251*x=14056
x=14056/251
x=56
Tìm x : 123 x X +128 x X + 1996 =16052
123 * x + 128 * x + 1996 = 16052
(123 + 128) * x + 1996 = 16052
(123 + 128) * x = 16052 - 1996
(123 + 128) * x = 14056
x = 14056 / (123 + 128)
x = 56
123 + 456 - 123 =?
135 x 2 =?
tick mk , mk tick lại
123+456-123
=(123-123)+456
=456
135x2
=135+135
=270
123 + 456 - 123 = 456
135 x 2 = 270
nha bn
123 x 45 - 41 x 135 tính nhanh
123 x 45 - 41 x 135=
=123 x 45 - 41 x 3 x 45
=123 x 45 - 123 x 45
=0
123 x 45 - 41 x 135
= 123 x 45 - 41 x 3 x 45
= 45 x ( 123 - 41 x 3)
= 45 x ( 123 - 123)
=0
123 x 45 - 41 x 135
= 123 x 45 - 41 x 3 x 45
= 45 x ( 123 - 41 x 3 )
= 45 x ( 123 - 123 )
= 45 x 0
= 0
135 x 315 + 243 x 153 + 248 x 123 = ?
Cứu mik vớiiiiiiiiiiiiiii
\(135.315+243.153+248.123\)
\(=42525+37179+30504=110208\)
Tính nhanh
135 . ( 171 - 123 ) - 171 . ( 135 - 123 )
4428 nha bạn chúc bạn làm bài tốt nha