Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
477 + 405 =
4
882
2
3
|
2.
405 + 23 =
4
3
428
2
|
3.
524 + 144 =
668
2
4
3
|
4.
622 + 107 =
729
3
4
2
|
|
5.
318 – 262 =
56
2
4
3
|
6.
509 – 457 =
52
3
2
4
|
7.
225 + 594 =
819
3
4
2
|
8.
25 + 969 =
3
2
4
994
|
|
9.
173 – 72 =
3
101
4
2
|
10.
171 – 45 =
2
4
3
126
|
11.
901 – 33 =
4
868
3
2
|
12.
31 – 8 =
3
4
2
23
|
|
13.
350 – 153 =
3
4
2
197
|
14.
536 + 149 =
4
685
2
3
|
15.
680 + 15 =
3
695
2
4
|
16.
121 – 56 =
4
3
2
65
|
|
17.
450 + 92 =
4
3
2
542
|
18.
998 + 1 =
4
2
3
999
|
19.
179 – 104 =
4
3
2
75
|
20.
583 – 477 =
2
4
3
106
|