Tìm x biết: \(\dfrac{55-x}{1963}+\dfrac{50-x}{1968}+\dfrac{45-x}{1973}+\dfrac{40-x}{1978}+4=0\)
Tìm x biết :\(\dfrac{55-x}{1963}+\dfrac{50-x}{1968}+\dfrac{45-x}{1973}+\dfrac{40-x}{1978}+4=0\)
Tìm x biết: \(\frac{55-x}{1963}+\frac{50-x}{1968}+\frac{45-x}{1973}+\frac{40-x}{1978}+4=0\)
Tìm x biết (45-x)/1963+(40-x)/1968+(35-x)/1973+(30-x)/1978+4=0
Tìm x biết:((45-x)/1963)+((40-x)/1968)+((35-x)/1973)+((30-x)-1978)+4=0
Tìm x biết \(\frac{45-x}{1963}+\frac{40-x}{1968}+\frac{35-x}{1973}+\frac{30-x}{1978}+4=0\)
tìm x,biết: \(\frac{45-x}{1963}+\frac{40-x}{1968}+\frac{35-x}{1973}+\frac{30-x}{1978}+4=0\)
45-x/1963+40-x/1968+35-x/1973+30-x/1978+4=0 tìm x
tìm x biết 45-x/1968 + 40-x/1973 +35-x/1978+ 30-x/1983= -4