TÌM X:75%xX+3/4xX+X=30
Tìm X biết : 75%xX+3/4xX+X=30
75%xX+3/4xX+X=30
tìm X
75%xx+3/4xx+x=30
x + 0,25 = 18/5 + 43/4
\(x+0,25=\dfrac{18}{5}+\dfrac{43}{4}\)
Tìm x
x+x:0,5+x:0,25+x:0,125=75
tìm x:
(158-x) :7 =20
1,25 x4 -x=25
x- 0,25= 43/4+18/5
25%xX+3/4xX+x=35