Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
285 – 141 =
3
4
2
144
|
2.
90 + 344 =
4
3
2
434
|
3.
265 + 178 =
3
2
4
443
|
4.
997 + 3 =
2
4
3
1000
|
|
5.
825 + 141 =
2
4
966
3
|
6.
212 – 106 =
4
2
3
106
|
7.
499 + 459 =
958
3
2
4
|
8.
791 + 62 =
853
3
2
4
|
|
9.
367 + 631 =
998
2
3
4
|
10.
954 + 25 =
2
3
979
4
|
11.
320 + 184 =
4
2
504
3
|
12.
968 – 806 =
2
3
4
162
|
|
13.
681 + 264 =
3
945
2
4
|
14.
406 – 261 =
4
3
2
145
|
15.
491 + 250 =
2
741
4
3
|
16.
632 + 332 =
964
2
4
3
|
|
17.
756 – 573 =
2
183
3
4
|
18.
18 – 9 =
2
9
3
1
|
19.
301 – 266 =
3
35
2
4
|
20.
243 + 539 =
3
4
2
782
|