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