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 50 1,957 45+12= 67 Minus Plus 1,249-200= 1,049 745 134-98= 36 25+64= 89 15 Subtraction operation Addition operation