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 30-(-10)= 3 -20-30= 4 18+(-3)= 5 -25+(-15)= 6 -5-(+3)= 7 -7+10= 8 -8-(-5)= 9 -2-(-4)= 10 -8+6= 11 36+10= 3 40 -40 -50 -8 46 15 -15 -2 -3 2