Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
454 + 210 =
664
4
3
2
|
2.
371 – 228 =
3
143
4
2
|
3.
57 – 43 =
14
1
3
2
|
4.
490 + 286 =
3
2
776
4
|
|
5.
186 + 356 =
3
2
542
4
|
6.
959 – 705 =
4
254
3
2
|
7.
812 + 186 =
2
4
3
998
|
8.
430 – 252 =
178
2
4
3
|
|
9.
219 + 111 =
330
2
4
3
|
10.
125 + 176 =
301
3
4
2
|
11.
636 – 463 =
173
4
3
2
|
12.
726 – 68 =
658
4
2
3
|
|
13.
494 – 479 =
2
3
1
15
|
14.
348 – 153 =
4
3
2
195
|
15.
955 – 333 =
3
2
4
622
|
16.
29 + 218 =
4
3
247
2
|
|
17.
472 – 300 =
172
3
2
4
|
18.
637 + 21 =
4
2
658
3
|
19.
949 – 366 =
2
583
4
3
|
20.
81 + 194 =
2
275
4
3
|