Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
640 + 285 =
4
2
925
3
|
2.
474 + 464 =
938
3
4
2
|
3.
15 + 324 =
2
3
4
339
|
4.
724 + 275 =
999
3
2
4
|
|
5.
262 – 122 =
4
2
3
140
|
6.
66 – 14 =
3
52
4
2
|
7.
944 + 45 =
2
989
4
3
|
8.
656 + 135 =
3
2
791
4
|
|
9.
908 – 509 =
4
2
399
3
|
10.
721 – 535 =
3
4
186
2
|
11.
986 + 12 =
3
2
998
4
|
12.
207 + 251 =
458
4
2
3
|
|
13.
850 – 451 =
2
3
4
399
|
14.
314 + 305 =
2
3
4
619
|
15.
351 + 261 =
612
2
4
3
|
16.
250 + 607 =
4
3
857
2
|
|
17.
965 + 30 =
995
4
2
3
|
18.
532 + 97 =
3
4
629
2
|
19.
314 – 121 =
193
3
2
4
|
20.
314 – 133 =
4
181
3
2
|