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