2/3-1/2
6 − (2 × 5) + 10 =
(1+1/99)^99=2 26054072470054645468562418874238911880866247143651779513948005515289485908944495315717869997974353454411804222090334...
d/dx(xlogx/(x-1))
6.53-7.5
7x-8=3x
145% of a value is 5365 give original value
6.53-4.5
calculate the value of k in this quality
7x7x $7^{6}$ = $7^{k}$
14:35=2:14
