increase 248 in a ratio of 4:5
convert quarter to three into a vulger fraction
1977092
36524814
29790642
5315930
6921426
2779259
14426671
13225743
1/10 + 1/5
5929772
draw an absolute graph of |y|= |x|
intregation x^3/(x^3-2)(x-3) by partial fractions
9529772
e^-x = 2
285639รท9
