x - 36 : 9 = 15
x - 4 = 15
x = 15 + 4
x = 19
Vậy x = 19
x - 36 : 9 = 15
x - 4 = 15
x = 15 + 4
x = 19
Vậy x = 19
x - 36 : 9 = 15
x - 4 = 15
x = 15 + 4
x = 19
ủng hộ nha mọi người^^
x - 36 : 9 = 15
x - 4 = 15
x = 15 + 4
x = 19
Vậy x = 19
x - 36 : 9 = 15
x - 4 = 15
x = 15 + 4
x = 19
Vậy x = 19
x - 36 : 9 = 15
x - 4 = 15
x = 15 + 4
x = 19
ủng hộ nha mọi người^^
Tim X
a,X - 20/11 x 13 - 20/13 x 15 - 20/15 x 17 -...-20/53 x 55 = 3/11
b,1/21 + 1/28 +1/36 + ... +2/Xx(x + 1) = 2/9
Tìm X:
a,X-20/11x13 - 20/13x15 - 20/15x17-...-20/53x55 = 3/11
b,1/21 + 1/28 + 1/36 + .....+ 2/Xx(X+1) = 2/9
Tìm x
x/12=x+15/16
Tìm X
x- 2/3 x (x+9) =1
tìm x , biết :
a) 15 + 3 ( x - 1 ) = 36
b) \(\frac{2}{3}x+\left(1\frac{1}{9}\right)=\frac{23}{15}x\frac{5}{6}\)
2 TÌM X
X- 9 = 21:5
X = ............................
X = ............................
X : 3 = 1,248 : 4
X = ..........................
X = ............................
tìm x
x*3,4=15,3
7,5:x=0,24
5/6:=7/8
2/3*x=5/9
38/25+9/10-11/15+13/21-15/28+17/36-19/45+21/55=
S = 38/25 + 9/10-11/15+13/21+15/28+17/36-19/45 +...-199/4950