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