Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
238 + 378 =
3
4
2
616
|
2.
276 + 259 =
3
2
4
535
|
3.
54 – 34 =
2
4
3
20
|
4.
231 – 150 =
2
81
4
3
|
|
5.
168 + 63 =
4
3
231
2
|
6.
766 – 327 =
4
3
439
2
|
7.
404 – 139 =
3
2
265
4
|
8.
203 – 164 =
2
4
3
39
|
|
9.
274 + 626 =
2
900
4
3
|
10.
449 + 518 =
4
967
3
2
|
11.
943 + 24 =
967
3
2
4
|
12.
597 – 124 =
3
4
473
2
|
|
13.
167 + 413 =
2
580
4
3
|
14.
641 + 318 =
3
4
959
2
|
15.
479 + 285 =
4
3
2
764
|
16.
55 – 4 =
2
4
3
51
|
|
17.
534 – 211 =
2
3
323
4
|
18.
542 – 452 =
90
4
3
2
|
19.
627 + 199 =
826
4
2
3
|
20.
109 – 101 =
2
3
8
1
|