Supersnelle erbijsommen en erafsommen tot 1.000

In de mix
1.
857 306 =
2
551
4
3
2.
549 141 =
408
4
3
2
3.
26 + 652 =
678
2
4
3
4.
45 28 =
17
3
2
4
5.
465 98 =
367
3
4
2
6.
440 181 =
3
259
2
4
7.
40 + 583 =
4
623
3
2
8.
123 + 532 =
4
3
2
655
9.
986 + 7 =
993
4
3
2
10.
819 + 117 =
4
936
3
2
11.
918 414 =
4
2
504
3
12.
951 863 =
4
2
3
88
13.
205 99 =
4
106
3
2
14.
247 + 337 =
3
2
4
584
15.
152 + 261 =
2
4
3
413
16.
961 + 10 =
971
4
2
3
17.
128 53 =
4
2
3
75
18.
773 459 =
314
2
4
3
19.
745 652 =
4
2
3
93
20.
458 178 =
4
280
2
3

Supersnelle erbijsommen en erafsommen tot 1.000
| ANTWOORDEN

In de mix
1.
857 306 =
2
551
4
3
2.
549 141 =
408
4
3
2
3.
26 + 652 =
678
2
4
3
4.
45 28 =
17
3
2
4
5.
465 98 =
367
3
4
2
6.
440 181 =
3
259
2
4
7.
40 + 583 =
4
623
3
2
8.
123 + 532 =
4
3
2
655
9.
986 + 7 =
993
4
3
2
10.
819 + 117 =
4
936
3
2
11.
918 414 =
4
2
504
3
12.
951 863 =
4
2
3
88
13.
205 99 =
4
106
3
2
14.
247 + 337 =
3
2
4
584
15.
152 + 261 =
2
4
3
413
16.
961 + 10 =
971
4
2
3
17.
128 53 =
4
2
3
75
18.
773 459 =
314
2
4
3
19.
745 652 =
4
2
3
93
20.
458 178 =
4
280
2
3