Supersnelle erbijsommen en erafsommen tot 1.000

In de mix
1.
801 – 79 =
3
4
722
2
2.
903 – 352 =
4
551
3
2
3.
876 + 104 =
2
4
3
980
4.
60 – 56 =
4
1
2
3
5.
464 + 326 =
4
3
790
2
6.
330 + 129 =
2
3
4
459
7.
586 + 240 =
4
2
3
826
8.
960 + 5 =
2
4
3
965
9.
801 + 34 =
835
2
4
3
10.
76 – 74 =
4
3
2
1
11.
593 – 519 =
3
2
4
74
12.
850 + 63 =
3
913
2
4
13.
910 – 476 =
434
2
3
4
14.
29 + 514 =
2
543
3
4
15.
783 – 237 =
4
3
2
546
16.
433 + 137 =
570
2
3
4
17.
375 – 191 =
4
2
3
184
18.
497 – 304 =
2
3
193
4
19.
453 – 85 =
2
3
368
4
20.
638 – 11 =
3
627
2
4

Supersnelle erbijsommen en erafsommen tot 1.000
| ANTWOORDEN

In de mix
1.
801 – 79 =
3
4
722
2
2.
903 – 352 =
4
551
3
2
3.
876 + 104 =
2
4
3
980
4.
60 – 56 =
4
1
2
3
5.
464 + 326 =
4
3
790
2
6.
330 + 129 =
2
3
4
459
7.
586 + 240 =
4
2
3
826
8.
960 + 5 =
2
4
3
965
9.
801 + 34 =
835
2
4
3
10.
76 – 74 =
4
3
2
1
11.
593 – 519 =
3
2
4
74
12.
850 + 63 =
3
913
2
4
13.
910 – 476 =
434
2
3
4
14.
29 + 514 =
2
543
3
4
15.
783 – 237 =
4
3
2
546
16.
433 + 137 =
570
2
3
4
17.
375 – 191 =
4
2
3
184
18.
497 – 304 =
2
3
193
4
19.
453 – 85 =
2
3
368
4
20.
638 – 11 =
3
627
2
4