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