Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
256 + 29 =
285
2
|
2.
551 – 528 =
2
23
|
3.
89 – 39 =
2
50
|
4.
555 – 123 =
2
432
|
|
5.
136 + 388 =
2
524
|
6.
728 + 88 =
2
816
|
7.
122 + 323 =
2
445
|
8.
815 – 596 =
219
2
|
|
9.
292 – 185 =
2
107
|
10.
71 + 8 =
79
2
|
11.
586 – 6 =
2
580
|
12.
349 + 1 =
2
350
|
|
13.
572 + 120 =
692
2
|
14.
782 + 119 =
901
2
|
15.
400 – 289 =
111
2
|
16.
462 + 304 =
766
2
|
|
17.
929 + 58 =
2
987
|
18.
843 – 87 =
756
2
|
19.
872 – 445 =
2
427
|
20.
155 – 71 =
2
84
|