Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
874 + 65 =
4
939
3
2
|
2.
168 – 84 =
2
4
3
84
|
3.
792 – 768 =
2
3
4
24
|
4.
777 + 52 =
829
4
2
3
|
|
5.
427 + 101 =
3
528
2
4
|
6.
101 – 37 =
3
64
4
2
|
7.
533 + 422 =
4
3
955
2
|
8.
540 – 188 =
352
2
4
3
|
|
9.
757 – 604 =
3
2
4
153
|
10.
976 + 12 =
2
4
3
988
|
11.
516 – 98 =
4
2
3
418
|
12.
583 – 229 =
354
4
2
3
|
|
13.
490 + 264 =
754
2
4
3
|
14.
546 + 171 =
3
4
717
2
|
15.
358 – 180 =
2
4
3
178
|
16.
220 + 384 =
4
3
604
2
|
|
17.
660 – 551 =
2
3
4
109
|
18.
694 + 306 =
1000
2
3
4
|
19.
336 – 184 =
4
2
3
152
|
20.
133 – 115 =
18
4
3
2
|