Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
66 – 31 =
3
4
2
35
|
2.
156 + 381 =
2
3
4
537
|
3.
144 – 125 =
4
19
2
3
|
4.
310 – 38 =
272
3
4
2
|
|
5.
894 – 377 =
4
517
3
2
|
6.
749 – 505 =
244
4
2
3
|
7.
990 + 7 =
4
2
997
3
|
8.
368 + 53 =
2
3
421
4
|
|
9.
933 – 6 =
927
4
2
3
|
10.
359 – 234 =
3
125
2
4
|
11.
807 – 462 =
2
4
3
345
|
12.
521 – 446 =
75
2
3
4
|
|
13.
207 + 364 =
4
2
3
571
|
14.
251 + 637 =
3
888
4
2
|
15.
724 + 276 =
2
4
1000
3
|
16.
324 + 307 =
2
3
4
631
|
|
17.
536 + 420 =
2
3
956
4
|
18.
651 – 11 =
640
2
4
3
|
19.
924 – 545 =
2
3
4
379
|
20.
223 – 71 =
152
4
3
2
|