Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
128 – 18 =
3
4
2
110
|
2.
991 + 0 =
2
4
991
3
|
3.
976 + 17 =
3
993
4
2
|
4.
528 + 138 =
2
4
666
3
|
|
5.
362 – 44 =
4
3
2
318
|
6.
723 – 257 =
4
466
2
3
|
7.
291 – 173 =
2
118
4
3
|
8.
882 – 185 =
2
697
3
4
|
|
9.
86 – 65 =
2
21
4
3
|
10.
6 + 787 =
3
2
4
793
|
11.
595 – 179 =
4
416
3
2
|
12.
708 – 392 =
3
316
2
4
|
|
13.
685 – 584 =
3
101
2
4
|
14.
532 + 467 =
999
2
3
4
|
15.
348 + 409 =
757
3
4
2
|
16.
268 + 256 =
2
4
524
3
|
|
17.
336 + 123 =
459
2
4
3
|
18.
563 + 3 =
566
2
3
4
|
19.
987 + 7 =
3
994
4
2
|
20.
932 – 387 =
4
2
545
3
|