Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
179 – 162 =
17
4
3
2
|
2.
137 – 79 =
58
4
3
2
|
3.
321 + 540 =
861
4
3
2
|
4.
865 + 17 =
3
4
882
2
|
|
5.
390 – 47 =
3
2
343
4
|
6.
260 – 45 =
215
2
3
4
|
7.
197 + 71 =
4
3
2
268
|
8.
136 + 507 =
643
4
2
3
|
|
9.
89 – 3 =
4
86
3
2
|
10.
444 – 167 =
2
4
3
277
|
11.
137 – 60 =
77
3
4
2
|
12.
51 + 98 =
4
2
149
3
|
|
13.
600 – 298 =
4
302
2
3
|
14.
186 – 68 =
2
118
3
4
|
15.
228 – 197 =
3
31
2
4
|
16.
748 + 81 =
2
3
4
829
|
|
17.
276 + 598 =
4
874
2
3
|
18.
505 – 118 =
2
3
387
4
|
19.
792 – 730 =
62
2
4
3
|
20.
330 + 93 =
423
3
2
4
|