400/64
Simplify 3
1 × 3
3 × 3
5 × 3
7 × 3
9 × 3
11 × 3
13 × 3
15 × 3
17 × (
1
3
)
75
3x+4=5x
if a sequence of 8 terms has a sum of 88 and a first equal term of 4 use l = 2s/n -a
11,33,5 and 12,45,4 and x,10,12 find x considering logically
$y^{2}$ - y - 20
48.8/99.2*100
4 1/ 8
123,75 × 0,5
81^0.25
