Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
522 + 459 =
981
3
2
4
|
2.
652 + 193 =
2
845
3
4
|
3.
465 + 363 =
828
2
3
4
|
4.
473 – 368 =
2
3
105
4
|
|
5.
419 – 96 =
3
2
4
323
|
6.
624 + 244 =
4
3
2
868
|
7.
587 – 15 =
572
3
4
2
|
8.
170 + 647 =
2
817
4
3
|
|
9.
988 + 8 =
2
3
4
996
|
10.
163 – 156 =
7
1
3
2
|
11.
212 – 207 =
5
3
2
1
|
12.
569 + 128 =
697
4
3
2
|
|
13.
809 + 78 =
3
887
2
4
|
14.
66 + 398 =
464
2
3
4
|
15.
728 + 64 =
3
4
2
792
|
16.
469 + 369 =
3
838
4
2
|
|
17.
382 – 343 =
3
39
4
2
|
18.
337 – 210 =
2
127
4
3
|
19.
515 – 277 =
2
238
3
4
|
20.
974 + 19 =
2
3
4
993
|