Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
548 + 297 =
3
2
4
845
|
2.
985 + 1 =
986
2
3
4
|
3.
494 + 478 =
3
4
972
2
|
4.
153 – 153 =
2
4
3
0
|
|
5.
985 + 11 =
3
996
4
2
|
6.
917 + 55 =
3
2
4
972
|
7.
565 – 519 =
2
46
4
3
|
8.
990 – 658 =
332
3
4
2
|
|
9.
22 + 398 =
420
4
3
2
|
10.
195 – 143 =
4
52
2
3
|
11.
440 – 388 =
4
52
2
3
|
12.
775 + 140 =
915
4
3
2
|
|
13.
152 – 56 =
3
2
96
4
|
14.
88 – 75 =
13
1
3
2
|
15.
552 – 506 =
2
3
4
46
|
16.
683 – 544 =
3
2
4
139
|
|
17.
751 – 651 =
2
4
100
3
|
18.
198 – 120 =
3
4
2
78
|
19.
676 + 314 =
990
2
4
3
|
20.
80 + 276 =
3
4
2
356
|