"x+y=
  \frac{
    1
  }{
    2
  }"
"x+y=
  \frac{
    3
  }{
    4
  }"
"x+y=
  \frac{
    5
  }{
    6
  }"
"x+y=
  \frac{
    7
  }{
    8
  }"
"x+y=
  \frac{
    9
  }{
    10
  }"
"x+y=
  \frac{
    11
  }{
    12
  }"
"x+y=
  \frac{
    13
  }{
    14
  }"
"x+y=
  \frac{
    15
  }{
    16
  }"
"x+y=
  \frac{
    17
  }{
    18
  }"
"x+y=
  \frac{
    19
  }{
    20
  }"
"x+y=
  \frac{
    -1
  }{
    -2
  }"
"x+y=
  \frac{
    -3
  }{
    -4
  }"
"x+y=
  \frac{
    -5
  }{
    -6
  }"
"x+y=
  \frac{
    -7
  }{
    -8
  }"
"x+y=
  \frac{
    -9
  }{
    -10
  }"
"x+y=
  \frac{
    -11
  }{
    -12
  }"
"x+y=
  \frac{
    -13
  }{
    -14
  }"
"x+y=
  \frac{
    -15
  }{
    -16
  }"
"x+y=
  \frac{
    -17
  }{
    -18
  }"
"x+y=
  \frac{
    -19
  }{
    -20
  }"
"x+y=
  \frac{
   1 1
  }{
   1 2
  }"
"x+y=
  \frac{
   1 3
  }{
   1 4
  }"
"x+y=
  \frac{
   1 5
  }{
   1 6
  }"
"x+y=
  \frac{
   1 7
  }{
   1 8
  }"
"x+y=
  \frac{
   1 9
  }{
   1 10
  }"
"x+y=
  \frac{
    111
  }{
    112
  }"
"x+y=
  \frac{
    113
  }{
    114
  }"
"x+y=
  \frac{
    115
  }{
    116
  }"
"x+y=
  \frac{
    117
  }{
    118
  }"
"x+y=
  \frac{
    119
  }{
    120
  }"
"x+y=
  \frac{
    1-1
  }{
    1-2
  }"
"x+y=
  \frac{
    1-3
  }{
    1-4
  }"
"x+y=
  \frac{
    1-5
  }{
    1-6
  }"
"x+y=
  \frac{
    1-7
  }{
    1-8
  }"
"x+y=
  \frac{
    1-9
  }{
    1-10
  }"
"x+y=
  \frac{
    -111
  }{
    -112
  }"
"x+y=
  \frac{
    -113
  }{
    -114
  }"
"x+y=
  \frac{
    -115
  }{
    -116
  }"
"x+y=
  \frac{
    -117
  }{
    -118
  }"
"x+y=
  \frac{
    -119
  }{
    -120
  }"