Word problems
635+301
+5 -5
640+296=936
136+188=
-2 +2
134+190=324
84+118=
-2 +2
82+120=202
154+119=
-1 +1
153+120=373
198+198=
+2 -2
200+196=396
235+119=
-1 +1
234+ 120=354
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