...blok 1 contractwerk.gif hoofdrekenen... oefening 15

114 + 8 =
347 + 36 =
462 + 19 =
514 + 25 =
626 + 38 =
441 + 29 =
975 + 18 =
473 + 37 =
194 + 54 =
588 + 26 =