17745 : x : 7 = 5
17745 : x = 5 x 7
17745 : x = 35
x = 17745 : 35
x = 507
17745 : x : 7 = 5
17745 : x = 5 x 7
17745 : x = 35
x = 17745 : 35
x = 507
17745 : x : 7 = 5
17745 : x=5x7
17745 : x=35
x=17745:35
x=507
17745 : x : 7 = 5
17745 : x = 5 x 7
17745 : x = 35
x = 17745 : 35
x = 507
17745 : x : 7 = 5
17745 : x = 5 x 7
17745 : x = 35
x = 17745 : 35
x = 507
17745 : x : 7 = 5
17745 : x=5x7
17745 : x=35
x=17745:35
x=507
tìm x ' biết ; 17745 ;x ;7 = 5
17745 : x : 7 = 5
Tim x biet : ( x + 1 ) + ( x + 2 ) ( x + 3 ) + ( x +4 ) + ( x + 5 ) = 4 + 5 + 6 + 7 + 8
tim x biet 1 / 3 x 4 + 1 / 4 x 5 + 1 / 5 x 6 + 1 / 6 x 7 = 1 / x
tim x biet
a\(\frac{3}{5}:\frac{7}{x}:\frac{3}{4}=\frac{8}{35}\)
b,\(x< \frac{7}{12}:\frac{4}{5}\)
tim cac so tu nhien biet x biet
24 : x + 16 : x =5
Tim x, biet : 5/4 nhan x = 5/8 + 3/12
tim x biet : 30475:5+x=18981
tim X biet: X x 2 + X x 3 + X x 4 + X x 5 + x = 2130