2x+1/3=3+x/2
a person walk left
1649676
36814420
30324376
5608252
6749810
9915932
217948008
14634662.13318297
29742÷5205053
759139÷760845
4x^2+1 = 5^y
97.56*2.7
16m^4
2x+1/10=-3/2+x
c^2=(10^2+7^2)
y^2 + x^2*y'=0
y(0)=0
