Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
378 – 21 =
357
2
|
2.
444 + 525 =
969
2
|
3.
479 + 442 =
921
2
|
4.
342 + 423 =
2
765
|
|
5.
407 – 208 =
2
199
|
6.
211 + 184 =
395
2
|
7.
813 + 139 =
2
952
|
8.
550 – 452 =
2
98
|
|
9.
536 + 122 =
658
2
|
10.
359 – 224 =
2
135
|
11.
223 – 135 =
2
88
|
12.
662 – 12 =
650
2
|
|
13.
151 – 7 =
2
144
|
14.
130 – 7 =
2
123
|
15.
102 + 575 =
2
677
|
16.
710 – 602 =
2
108
|
|
17.
62 + 271 =
2
333
|
18.
401 + 279 =
680
2
|
19.
966 + 3 =
2
969
|
20.
395 – 34 =
2
361
|