Relier Pairs Doubles +1Version en ligne Match the doubles +1 fact with the corresponding representation par Cheryl Teolis 1 8 + 9 = 2 1 + 2 = 3 6 + 7 = 4 3 + 4 5 7 + 8 = 6 5 + 6 = 7 2 + 3 = 8 4 + 5 = 9 9 + 10 =