Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
689 – 361 =
3
2
4
328
|
2.
14 – 7 =
7
2
1
3
|
3.
179 – 160 =
3
4
19
2
|
4.
92 – 23 =
4
69
2
3
|
|
5.
366 + 609 =
975
3
4
2
|
6.
420 + 340 =
3
760
4
2
|
7.
586 + 249 =
835
4
2
3
|
8.
852 + 11 =
2
4
863
3
|
|
9.
355 – 187 =
168
4
2
3
|
10.
358 – 99 =
259
3
2
4
|
11.
775 + 25 =
800
2
3
4
|
12.
171 + 538 =
4
2
709
3
|
|
13.
289 + 527 =
3
816
2
4
|
14.
837 – 328 =
2
4
509
3
|
15.
466 + 234 =
4
700
3
2
|
16.
222 – 214 =
1
2
8
3
|
|
17.
567 + 206 =
4
3
2
773
|
18.
949 + 30 =
979
4
2
3
|
19.
762 – 572 =
190
2
4
3
|
20.
830 + 17 =
847
2
3
4
|