Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
938 + 45 =
983
3
4
2
|
2.
39 – 38 =
1
4
2
3
|
3.
371 – 20 =
2
3
4
351
|
4.
16 + 438 =
454
4
3
2
|
|
5.
541 + 459 =
3
4
2
1000
|
6.
768 + 52 =
2
4
820
3
|
7.
37 + 451 =
488
2
4
3
|
8.
937 – 453 =
2
3
4
484
|
|
9.
244 + 435 =
4
679
2
3
|
10.
781 + 74 =
4
2
3
855
|
11.
755 – 692 =
63
2
4
3
|
12.
315 – 260 =
3
2
4
55
|
|
13.
74 + 921 =
3
4
2
995
|
14.
2 – 1 =
3
1
4
2
|
15.
36 – 32 =
2
4
3
1
|
16.
668 – 57 =
611
2
4
3
|
|
17.
801 – 522 =
279
4
3
2
|
18.
396 – 154 =
3
4
2
242
|
19.
463 – 11 =
3
4
452
2
|
20.
257 + 580 =
3
2
837
4
|