71 + 65 x 4 = x + 140 / x + 260.
71 + 65 x 4 = x +140 :x + 260
tim x biet : 71+65*4= ( x +140 / x+260)
71+65 nhân 4 =x+140/x+260
TIM X :
71 + 65 * 4 = x + 140/x + 260
tìm X
71 + 65 x 4 = X + 140 / X +260
Tìm x
71 + 65 x 4 = \(\frac{x+140}{x}+260\)
Tìm x:
a) (X x 0,25 + 1999) x 2000 = ( 53 + 1999 ) x 2000
b) 71 + 65 x 4 = \(\dfrac{x+140}{x}\) + 260
Tìm y biết 71 +65 x 4 = y +140 / y +260
