Matching Pairs Optellen en aftrekken in ZOnline version Los de oefeningen op en vind letters om de code te kraken! by Ellen Bosmans 1 -25+10= 2 -5-(+3)= 3 18+(-3)= 4 -7+10= 5 30-(-10)= 6 -20-30= 7 -25+(-15)= 8 -8-(-5)= 9 -8+6= 10 36+10= 11 -2-(-4)= 2 -3 -8 -50 15 -2 -15 40 3 46 -40