Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
675 + 80 =
755
2
4
3
|
2.
357 – 209 =
4
2
3
148
|
3.
686 + 60 =
746
2
3
4
|
4.
900 – 830 =
4
70
2
3
|
|
5.
355 – 336 =
19
4
3
2
|
6.
761 – 209 =
3
2
4
552
|
7.
507 + 138 =
2
4
645
3
|
8.
308 – 230 =
78
2
4
3
|
|
9.
689 + 57 =
3
4
746
2
|
10.
52 + 50 =
2
4
102
3
|
11.
381 + 120 =
4
501
3
2
|
12.
13 + 805 =
2
4
3
818
|
|
13.
474 – 156 =
3
318
2
4
|
14.
555 – 306 =
4
249
2
3
|
15.
897 – 525 =
2
3
4
372
|
16.
397 – 298 =
3
99
4
2
|
|
17.
926 + 0 =
926
3
4
2
|
18.
896 + 26 =
2
3
922
4
|
19.
250 + 129 =
4
379
3
2
|
20.
857 + 77 =
2
934
3
4
|