Memory Numbers, addition, subtractionVersion en ligne Hi students, in this game you will practice some numbers from 0 to 9,999, additions and subtraction. par LAURA ANDREA MEDINA DIAZ Plus 45+12= 67 Addition operation 1,249-200= 1,049 15 745 1,957 134-98= 36 50 Subtraction operation 25+64= 89 Minus