Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
854 + 64 =
918
4
3
2
|
2.
807 – 331 =
476
4
2
3
|
3.
202 – 75 =
127
4
2
3
|
4.
6 + 700 =
3
2
4
706
|
|
5.
841 – 599 =
3
2
242
4
|
6.
345 + 412 =
2
757
3
4
|
7.
715 – 499 =
216
2
3
4
|
8.
850 + 18 =
3
868
4
2
|
|
9.
899 + 43 =
2
3
942
4
|
10.
353 + 642 =
995
2
3
4
|
11.
241 + 616 =
3
2
4
857
|
12.
855 – 409 =
3
446
2
4
|
|
13.
164 + 781 =
4
945
3
2
|
14.
656 – 50 =
2
606
3
4
|
15.
126 + 611 =
3
2
737
4
|
16.
220 – 150 =
70
4
2
3
|
|
17.
306 + 324 =
630
3
2
4
|
18.
658 – 387 =
2
3
4
271
|
19.
875 – 814 =
3
61
4
2
|
20.
509 – 435 =
4
2
3
74
|