Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
553 + 35 =
4
588
3
2
|
2.
508 – 147 =
2
4
3
361
|
3.
395 – 66 =
329
2
3
4
|
4.
175 + 372 =
4
547
3
2
|
|
5.
976 – 685 =
291
4
2
3
|
6.
847 + 42 =
889
3
2
4
|
7.
931 – 391 =
540
2
4
3
|
8.
968 + 8 =
3
976
2
4
|
|
9.
350 – 232 =
118
3
4
2
|
10.
637 + 328 =
3
965
2
4
|
11.
741 + 123 =
4
2
3
864
|
12.
168 + 571 =
2
739
3
4
|
|
13.
518 + 277 =
795
4
3
2
|
14.
893 + 15 =
2
4
3
908
|
15.
690 – 547 =
2
3
4
143
|
16.
539 + 286 =
825
2
3
4
|
|
17.
778 – 91 =
3
687
2
4
|
18.
458 – 130 =
3
328
4
2
|
19.
841 + 0 =
4
841
3
2
|
20.
932 – 679 =
4
2
253
3
|