Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
145 – 108 =
37
3
4
2
|
2.
546 + 447 =
4
2
3
993
|
3.
220 – 47 =
173
2
4
3
|
4.
246 – 87 =
159
2
4
3
|
|
5.
49 + 703 =
3
752
4
2
|
6.
137 + 29 =
2
3
166
4
|
7.
796 + 112 =
908
2
4
3
|
8.
222 + 579 =
4
3
2
801
|
|
9.
469 + 25 =
4
3
494
2
|
10.
948 – 392 =
4
2
3
556
|
11.
220 – 136 =
3
4
84
2
|
12.
643 + 4 =
4
2
647
3
|
|
13.
271 – 61 =
2
4
3
210
|
14.
735 – 229 =
2
4
506
3
|
15.
633 + 219 =
852
2
4
3
|
16.
773 + 63 =
2
836
4
3
|
|
17.
766 + 57 =
4
823
3
2
|
18.
260 + 535 =
4
795
3
2
|
19.
966 + 31 =
3
2
997
4
|
20.
668 – 336 =
3
4
2
332
|