(19x+2.5^2):14=(13-8)^2-4^2
(19x+2.25):14=5^2-16
(19x+50):14=25-16
(19x+50):14=9
19x+50=126
19x=76
x=4
(19x+2.5^2):14=(13-8)^2-4^2
=>(19x+2.25):14=5^2-4^2
=>(19x+50):14=(5-4).(5+4)
=>19x+50=1.9.14=126
=>19x=126-50=76
=>x=76:19=4
k nha
(19x+2.5^2):14=(13-8)^2-4^2
(19x- 2.5^2)/14 = (13-8)^2-4^2
tìm x biết : ( 19x + 2.5^2 ) : 14 = ( 13 - 8 ) ^ 2 - 4 ^2
(19x + 2.5 ^d) : 14 = (13-8) ^2 + 4^2
Meme :>
(19x+2.52):14=(13-82)-42
(19x+2.52) :14= (13-8)2 - 42
tìm x
(19x+2.52):14-=(13-8)2-4
Tìm x biết:\(\left(19x+2.5^2\right):14=\left(13-8\right)^2-4^2\)
( 19x + 2.52 ) : 14 = (13 - 8 ) 2 - 42.....Tim x
