20+10=
20+0=
20 +-10=
=
-3 + 2 =
-3+1 =
-3 + 3 =
25+2=
25 +15=
25 +1=
-23+ 7 =
-23+4=
-23 + 1 =
20 +-20 =
-3 + 0 =
25 +5 =
-23 + 0 =
20 +-30=
-3+-1=
25 +0 =
20 +-40 =
-3+-2=
25+-5=
20 +-50 =
-3 +-3=
25 +-1=
-23 +-5=
-23 +-8=
-23 +-11=
20 +-60 =
-3 +-4=
25+-15=
-23 +-14=

201020020 103 2 31 3 3 25225 1525 123 7 23423 1 20 20 3 0 25 5 23 0 20 303125 0 20 40 3225520 50 3 325 123 523 823 1120 60 3 4251523 14 class=