Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
628 – 457 =
171
2
4
3
|
2.
55 + 707 =
2
3
4
762
|
3.
717 + 283 =
3
1000
2
4
|
4.
246 – 222 =
24
4
3
2
|
|
5.
142 – 9 =
4
3
2
133
|
6.
370 – 80 =
4
3
2
290
|
7.
499 + 355 =
2
4
3
854
|
8.
139 + 631 =
4
770
2
3
|
|
9.
708 – 372 =
3
336
4
2
|
10.
72 – 52 =
3
2
4
20
|
11.
188 + 463 =
3
4
2
651
|
12.
533 + 231 =
2
4
764
3
|
|
13.
124 + 461 =
3
2
4
585
|
14.
510 + 29 =
3
539
2
4
|
15.
125 – 114 =
1
3
11
2
|
16.
172 + 781 =
953
2
3
4
|
|
17.
617 – 292 =
325
3
2
4
|
18.
459 – 405 =
54
4
3
2
|
19.
949 + 7 =
2
4
3
956
|
20.
892 + 61 =
3
953
2
4
|