Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
817 + 114 =
3
4
2
931
|
2.
34 + 37 =
4
2
71
3
|
3.
814 – 387 =
3
427
2
4
|
4.
202 – 67 =
2
3
135
4
|
|
5.
50 – 18 =
32
2
4
3
|
6.
385 + 248 =
3
4
633
2
|
7.
778 + 166 =
944
4
3
2
|
8.
717 + 190 =
907
4
2
3
|
|
9.
676 + 310 =
3
986
4
2
|
10.
632 + 152 =
784
2
3
4
|
11.
153 – 27 =
4
126
3
2
|
12.
498 + 114 =
612
2
4
3
|
|
13.
380 – 308 =
2
72
4
3
|
14.
530 – 219 =
3
2
311
4
|
15.
232 – 97 =
2
3
135
4
|
16.
467 – 323 =
144
3
4
2
|
|
17.
791 + 94 =
2
3
4
885
|
18.
853 + 50 =
2
3
4
903
|
19.
568 + 260 =
2
4
3
828
|
20.
650 – 529 =
2
4
3
121
|