Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
441 + 222 =
2
4
3
663
|
2.
863 + 122 =
4
3
2
985
|
3.
979 – 99 =
4
3
880
2
|
4.
327 – 56 =
3
271
4
2
|
|
5.
421 – 30 =
391
4
3
2
|
6.
684 – 358 =
3
2
4
326
|
7.
901 – 547 =
4
354
3
2
|
8.
909 + 19 =
3
4
2
928
|
|
9.
941 – 762 =
3
179
4
2
|
10.
168 – 32 =
3
136
4
2
|
11.
543 – 459 =
4
2
3
84
|
12.
296 – 59 =
4
2
3
237
|
|
13.
352 + 500 =
3
2
4
852
|
14.
396 + 39 =
435
3
4
2
|
15.
170 – 10 =
3
160
4
2
|
16.
493 + 303 =
2
3
4
796
|
|
17.
723 – 423 =
3
2
4
300
|
18.
354 – 31 =
323
3
2
4
|
19.
201 – 46 =
4
155
3
2
|
20.
40 – 9 =
31
2
3
4
|