Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
877 + 47 =
2
3
4
924
|
2.
438 + 452 =
2
890
4
3
|
3.
762 – 119 =
4
643
3
2
|
4.
446 – 224 =
2
4
222
3
|
|
5.
957 + 39 =
996
4
3
2
|
6.
414 + 515 =
4
2
3
929
|
7.
964 + 21 =
3
985
2
4
|
8.
764 + 62 =
2
4
826
3
|
|
9.
4 – 1 =
3
4
2
1
|
10.
728 – 8 =
2
4
720
3
|
11.
898 + 26 =
3
2
4
924
|
12.
61 – 13 =
4
3
48
2
|
|
13.
335 – 0 =
2
4
3
335
|
14.
64 + 640 =
4
2
704
3
|
15.
226 – 150 =
4
2
3
76
|
16.
199 + 258 =
4
2
3
457
|
|
17.
17 – 4 =
13
3
2
1
|
18.
848 – 820 =
4
2
28
3
|
19.
857 + 24 =
881
4
2
3
|
20.
324 – 78 =
2
4
246
3
|