Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
726 – 366 =
2
3
4
360
|
2.
99 – 61 =
3
38
4
2
|
3.
525 + 278 =
803
3
4
2
|
4.
399 – 309 =
90
4
2
3
|
|
5.
274 + 546 =
3
820
2
4
|
6.
1 + 990 =
3
2
4
991
|
7.
16 – 13 =
1
2
3
4
|
8.
381 – 257 =
3
4
2
124
|
|
9.
3 – 2 =
2
3
1
4
|
10.
534 + 134 =
4
3
668
2
|
11.
392 + 189 =
3
581
4
2
|
12.
138 + 722 =
3
860
4
2
|
|
13.
656 + 116 =
4
772
3
2
|
14.
199 + 665 =
2
4
864
3
|
15.
601 + 297 =
3
898
4
2
|
16.
352 + 395 =
2
3
747
4
|
|
17.
35 + 292 =
2
327
4
3
|
18.
707 – 329 =
2
3
4
378
|
19.
991 + 6 =
997
2
3
4
|
20.
37 + 958 =
4
995
2
3
|