Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
176 – 124 =
52
2
3
4
|
2.
877 + 47 =
924
2
3
4
|
3.
640 + 259 =
899
3
2
4
|
4.
627 + 332 =
3
959
2
4
|
|
5.
82 – 44 =
38
3
4
2
|
6.
168 – 51 =
117
4
2
3
|
7.
44 – 14 =
4
30
2
3
|
8.
920 + 56 =
2
4
3
976
|
|
9.
994 – 435 =
559
2
3
4
|
10.
977 – 709 =
268
4
2
3
|
11.
109 + 501 =
2
4
610
3
|
12.
301 + 540 =
4
841
2
3
|
|
13.
154 + 650 =
3
4
2
804
|
14.
751 – 115 =
2
4
3
636
|
15.
286 – 274 =
3
12
2
1
|
16.
594 + 163 =
2
757
4
3
|
|
17.
291 + 553 =
3
2
4
844
|
18.
716 – 667 =
4
49
3
2
|
19.
497 – 115 =
2
382
3
4
|
20.
243 – 18 =
4
2
225
3
|