Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
811 + 126 =
2
937
|
2.
678 + 50 =
2
728
|
3.
132 + 358 =
2
490
|
4.
879 – 384 =
2
495
|
|
5.
349 – 303 =
46
2
|
6.
875 – 437 =
438
2
|
7.
761 + 198 =
2
959
|
8.
199 + 67 =
2
266
|
|
9.
19 – 4 =
1
15
|
10.
379 – 286 =
93
2
|
11.
279 + 254 =
533
2
|
12.
570 – 120 =
2
450
|
|
13.
597 – 375 =
2
222
|
14.
56 + 295 =
351
2
|
15.
986 – 612 =
2
374
|
16.
406 + 116 =
522
2
|
|
17.
120 – 40 =
2
80
|
18.
761 – 616 =
2
145
|
19.
209 – 74 =
2
135
|
20.
799 + 7 =
806
2
|