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

Oefenen met erbij en eraf tot 1.000
| ANTWOORDEN

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