Wiskunde getallen 11 B                                                         Koen Beks  4A De Robbert

Reken uit.
2000 + 4255 = 5300 + 2456 = 1000 + 4353 =
400 + 6425 = 80 + 4510 = 600 + 6075 =
6410 + = 6820 + 6210 = 62905520 + = 5630
20 + 8880 = + 2431 = 48626543 + = 7777
5321 + = 5351 + 3451 = 3951 = 4720 + 110