y x 2 - 3 =4
y x 2 = 4 + 3
y x 2 = 7
y = 7 : 2
y= 7/2
\(y\times2-3=4\)
\(y\times2=4+3\)
`yxx2=7`
\(y=7:2\)
\(y=\dfrac{7}{2}\)
y x 2 - 3 = 4
y x 2 = 4 + 3
y x 2 = 7
y = 7 : 2
y = \(\dfrac{7}{2}\)
y x 2 - 3 =4
y x 2 = 4 + 3
y x 2 = 7
y = 7 : 2
y= 7/2
\(y\times2-3=4\)
\(y\times2=4+3\)
`yxx2=7`
\(y=7:2\)
\(y=\dfrac{7}{2}\)
y x 2 - 3 = 4
y x 2 = 4 + 3
y x 2 = 7
y = 7 : 2
y = \(\dfrac{7}{2}\)
Tìm y :
a) y−3 = 4
y : 3 = 4
b) y−4 = 5
y : 4 = 5
c) y−2 = 3
y : 2 = 3
y x 2 + y x 4 + y x 2 = 120
y x 2 + y x 4 + y x 2 = 120
y x 2 + y x 4 + y x 2 = 120
y x 2 + y x 4 + y x 6 = 120
tìm x,y
a\(\frac{x}{2}=\frac{y}{-5}\)và x-y=35
b2.x=y.4 và x+4=30
1 x 2 = ?
1 x 2 x 3 = ?
1 x 2 x 3 x 4 = ?
1 x 2 x 3 x 4 x 5 = ?
1 x 2 x 3 x 4 x 5 x 6 = ?
1 x 2 x 3 x 4 x 5 x 6 x 7 = ?
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 = ?
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 = ?
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 = ?
Tìm x :
a) x − 4 = 2
x : 4 = 2
b) x − 5 = 4
x : 5 = 4
c) x − 3 = 3
x : 3 = 3
Câu 1: Tìm x
a, X + 12 = 12 + 6 14 – X = 14 – 2
b, X – 21 = 33 - 21 65 – X = 48 + 17
Câu 2: Tìm x
a, X + 25 = 100 - 25 700 – X = 300 + 200
b, X + 125 = 100 + 125 X – 48 = 65 – 28
Câu 3: Tìm y
a, 45 + y = 67 +17 27 + y = 44 + 18
b, y x 4 = 8 x 2 2 x y = 2 x 9
c, 5 x y = 30 : 3 y x 3 = 24 + 6
Câu 4: Tìm y
a, 123 – y = 456 - 345 y + 345 = 657 + 170
b, y – 112 + 12 = 574 y – 231 = 405 + 15
Câu 5 : Tìm x
a, 170 – X = 46 + 48 65 + 59 + X = 179
b, X – 21 = 33 -21 65 – X = 48 + 17