Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
612 + 57 =
4
669
3
2
|
2.
754 – 114 =
2
640
3
4
|
3.
23 + 547 =
2
3
4
570
|
4.
178 + 350 =
3
528
4
2
|
|
5.
824 – 504 =
3
320
2
4
|
6.
241 – 100 =
3
4
141
2
|
7.
736 – 408 =
3
4
328
2
|
8.
886 + 12 =
4
3
2
898
|
|
9.
40 – 2 =
2
38
3
4
|
10.
486 + 0 =
3
486
4
2
|
11.
364 – 298 =
66
2
4
3
|
12.
173 – 117 =
2
4
56
3
|
|
13.
945 + 20 =
2
3
965
4
|
14.
128 – 96 =
2
32
3
4
|
15.
350 – 211 =
3
2
139
4
|
16.
855 + 127 =
982
2
4
3
|
|
17.
487 – 127 =
4
360
3
2
|
18.
757 – 385 =
3
372
4
2
|
19.
634 – 469 =
3
165
4
2
|
20.
752 – 217 =
535
3
2
4
|