Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
986 + 12 =
2
4
3
998
|
2.
321 + 658 =
2
4
3
979
|
3.
563 + 67 =
4
3
2
630
|
4.
443 + 306 =
3
4
749
2
|
|
5.
711 – 550 =
2
161
3
4
|
6.
620 + 200 =
4
3
2
820
|
7.
392 – 36 =
2
356
3
4
|
8.
735 – 291 =
4
444
3
2
|
|
9.
122 + 490 =
3
612
4
2
|
10.
519 + 34 =
553
2
3
4
|
11.
151 + 685 =
2
836
4
3
|
12.
876 – 349 =
2
3
4
527
|
|
13.
85 + 848 =
4
933
3
2
|
14.
680 + 204 =
4
884
3
2
|
15.
131 – 56 =
4
75
3
2
|
16.
528 + 140 =
668
3
2
4
|
|
17.
168 – 153 =
1
3
2
15
|
18.
10 + 402 =
412
3
2
4
|
19.
186 – 101 =
3
4
85
2
|
20.
225 – 122 =
4
3
103
2
|