Lulu says that when you divide any whole number by a unit fraction, the quotient is always another whole number that is less than ...
Without expanding determinants, prove that αβγαβγ α α2 α3 β γα αβγ β β2 β3 γ αβ αβγ γ. γ γ3
1/x-2 = 2/3
ax+b=cx
$\sqrt{\}$49 /$\frac{\}{\}$50
arrange in ascending order
82%,0.794,8/9
there are 5 envelopes on a table. four of the envelopes are marked 8, 2, 4 and 1.
you are told that the mean of the numbers on ...
a square of side 7cm has a semi circle mounted on it. the perimeter of the shape is
2489773
199354.3673
22552172
4865845.0167
9.99134889394079020
2.58112392246206420
4.73693009640285421
7.90704...
-$\sqrt 4-x $