Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
63 + 34 =
97
2
4
3
|
2.
921 + 37 =
3
4
2
958
|
3.
733 – 266 =
3
2
467
4
|
4.
374 + 389 =
763
4
2
3
|
|
5.
742 + 258 =
4
1000
3
2
|
6.
623 + 374 =
4
2
3
997
|
7.
988 + 4 =
4
992
2
3
|
8.
551 – 326 =
4
3
225
2
|
|
9.
399 – 356 =
4
3
2
43
|
10.
56 – 41 =
3
15
1
2
|
11.
87 – 30 =
4
57
2
3
|
12.
796 – 477 =
4
319
2
3
|
|
13.
917 – 6 =
911
4
2
3
|
14.
569 + 31 =
4
2
600
3
|
15.
624 – 548 =
2
76
4
3
|
16.
53 – 49 =
1
2
4
3
|
|
17.
805 – 215 =
3
4
590
2
|
18.
534 – 294 =
3
240
2
4
|
19.
135 + 139 =
4
3
2
274
|
20.
595 – 350 =
3
2
245
4
|