Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
87 + 863 =
4
2
950
3
|
2.
550 – 455 =
4
95
3
2
|
3.
255 + 16 =
271
4
2
3
|
4.
8 – 6 =
2
1
4
3
|
|
5.
757 + 129 =
2
3
4
886
|
6.
977 – 103 =
3
4
874
2
|
7.
515 + 438 =
3
2
953
4
|
8.
695 + 271 =
4
3
2
966
|
|
9.
524 + 245 =
4
769
2
3
|
10.
727 – 336 =
4
391
3
2
|
11.
725 + 67 =
3
4
2
792
|
12.
716 + 98 =
3
814
2
4
|
|
13.
662 – 61 =
2
601
3
4
|
14.
816 – 811 =
1
2
5
3
|
15.
685 – 502 =
183
3
2
4
|
16.
662 – 70 =
2
4
3
592
|
|
17.
699 – 391 =
2
308
3
4
|
18.
641 – 211 =
3
430
2
4
|
19.
932 – 725 =
3
4
2
207
|
20.
506 – 301 =
205
3
4
2
|