Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
578 + 39 =
2
4
3
617
|
2.
36 – 15 =
3
4
21
2
|
3.
282 – 189 =
2
4
3
93
|
4.
511 – 418 =
93
2
4
3
|
|
5.
519 – 310 =
209
3
4
2
|
6.
840 – 14 =
3
826
2
4
|
7.
361 + 603 =
4
964
2
3
|
8.
122 – 19 =
4
2
103
3
|
|
9.
856 – 671 =
185
2
3
4
|
10.
94 + 221 =
315
3
4
2
|
11.
317 – 99 =
3
4
218
2
|
12.
941 + 28 =
3
969
4
2
|
|
13.
155 – 111 =
2
4
3
44
|
14.
180 – 31 =
149
3
2
4
|
15.
763 – 447 =
3
316
2
4
|
16.
514 – 329 =
185
3
2
4
|
|
17.
137 – 80 =
57
4
3
2
|
18.
745 – 740 =
3
1
5
2
|
19.
14 + 875 =
4
2
3
889
|
20.
889 + 8 =
3
897
2
4
|