Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
615 + 26 =
4
641
3
2
|
2.
409 – 272 =
137
2
4
3
|
3.
51 + 144 =
3
4
2
195
|
4.
228 – 99 =
3
2
129
4
|
|
5.
137 + 833 =
3
2
970
4
|
6.
80 – 20 =
3
2
60
4
|
7.
813 + 0 =
4
2
813
3
|
8.
25 – 19 =
1
6
3
2
|
|
9.
730 – 504 =
2
3
226
4
|
10.
426 – 105 =
3
4
2
321
|
11.
596 + 169 =
3
2
4
765
|
12.
838 – 829 =
9
3
2
1
|
|
13.
79 + 454 =
533
3
2
4
|
14.
626 – 210 =
2
416
4
3
|
15.
597 + 340 =
937
3
2
4
|
16.
983 + 15 =
3
4
998
2
|
|
17.
655 – 252 =
403
4
3
2
|
18.
126 + 289 =
2
3
415
4
|
19.
84 + 47 =
2
3
131
4
|
20.
610 – 22 =
4
3
588
2
|