tìm x sao cho x+2/10^10+x+2/11^11+x+2/12^12=x+2/13^13+x+2/14^14
(-2/11+ 3/12 +-4/13 +5/14) : (-4/11 + 6/12+ -8/13 +10/14)
Tính:
\(\left(10^2+11^2+12^2\right):\left(13^2+14^2\right)\)
102+112+122+132+142/365=?
Tính giá trị của biểu thức: \(D=\left(10^2+11^2+12^2\right):\left(13^2+14^2\right)\)
HELP ME!
(x+2/)10^10)+(x+2)/11^11)=(x+2)/12^12)+(x+2)/13^13)
1+1+2+3+4+5+6+7+8+9+10+11+12+13+14
Tìm x biết : x+2/10^10+x+2/11^11=x+2/12^12+x+2/13^13
tim x biet (x+2)/10^10+(x+2)/11^11=(x+2)/12^12+(x+2)/13^13