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tYBJLt - 1
Calculation: tYBJLt - 1
x
_
v
=
(
x1
*
m1
+
x2
*
m2
+
x3
*
m3
)
/
n
x
_
v
=
(
x1
*
m1
+
x2
*
m2
+
x3
*
m3
)
/
n
$$x_{v}$$
=
$$\frac{x1\cdot m1+x2\cdot m2+x3\cdot m3}{n}$$
x
_
v
=
m1
*
x1
/
n
+
m2
*
x2
/
n
+
m3
*
x3
/
n
$$x_{v}$$
=
$$\frac{m1\cdot x1}{n}+\frac{m2\cdot x2}{n}+\frac{m3\cdot x3}{n}$$