Supersnelle erbijsommen en erafsommen tot 1.000

In de mix
1.
6 + 751 =
3
757
4
2
2.
849 – 208 =
641
2
4
3
3.
958 – 833 =
4
3
2
125
4.
621 – 422 =
2
199
4
3
5.
350 + 75 =
425
2
4
3
6.
788 – 666 =
122
4
2
3
7.
361 + 117 =
478
3
2
4
8.
882 + 74 =
3
4
956
2
9.
838 + 42 =
2
3
880
4
10.
556 + 32 =
2
3
4
588
11.
398 + 249 =
2
3
647
4
12.
74 – 51 =
23
4
3
2
13.
415 + 479 =
894
2
4
3
14.
782 + 109 =
2
891
4
3
15.
818 – 244 =
2
4
3
574
16.
860 + 99 =
4
2
3
959
17.
556 – 320 =
4
3
236
2
18.
91 – 88 =
3
4
1
2
19.
429 – 0 =
2
429
3
4
20.
216 + 700 =
2
916
4
3

Supersnelle erbijsommen en erafsommen tot 1.000
| ANTWOORDEN

In de mix
1.
6 + 751 =
3
757
4
2
2.
849 – 208 =
641
2
4
3
3.
958 – 833 =
4
3
2
125
4.
621 – 422 =
2
199
4
3
5.
350 + 75 =
425
2
4
3
6.
788 – 666 =
122
4
2
3
7.
361 + 117 =
478
3
2
4
8.
882 + 74 =
3
4
956
2
9.
838 + 42 =
2
3
880
4
10.
556 + 32 =
2
3
4
588
11.
398 + 249 =
2
3
647
4
12.
74 – 51 =
23
4
3
2
13.
415 + 479 =
894
2
4
3
14.
782 + 109 =
2
891
4
3
15.
818 – 244 =
2
4
3
574
16.
860 + 99 =
4
2
3
959
17.
556 – 320 =
4
3
236
2
18.
91 – 88 =
3
4
1
2
19.
429 – 0 =
2
429
3
4
20.
216 + 700 =
2
916
4
3