Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
262 + 349 =
2
3
611
4
|
2.
479 – 327 =
2
3
152
4
|
3.
647 – 221 =
426
2
3
4
|
4.
734 – 725 =
1
2
3
9
|
|
5.
264 – 199 =
3
2
4
65
|
6.
986 – 3 =
3
983
2
4
|
7.
646 + 331 =
3
4
2
977
|
8.
611 – 222 =
2
3
4
389
|
|
9.
389 – 320 =
69
4
3
2
|
10.
211 – 172 =
3
2
4
39
|
11.
88 – 26 =
62
3
4
2
|
12.
796 + 141 =
3
4
2
937
|
|
13.
847 – 432 =
2
3
415
4
|
14.
384 – 295 =
3
2
89
4
|
15.
197 + 81 =
278
3
2
4
|
16.
188 + 6 =
2
194
4
3
|
|
17.
971 + 2 =
2
973
3
4
|
18.
1 – 1 =
4
3
0
2
|
19.
167 – 163 =
3
2
4
1
|
20.
423 + 437 =
3
4
860
2
|