Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
919 + 54 =
3
2
4
973
|
2.
413 – 174 =
239
2
3
4
|
3.
507 – 462 =
45
2
4
3
|
4.
393 + 262 =
4
655
2
3
|
|
5.
507 – 342 =
2
165
3
4
|
6.
327 + 364 =
3
2
4
691
|
7.
901 – 41 =
2
860
3
4
|
8.
541 + 192 =
2
4
733
3
|
|
9.
416 – 397 =
3
19
4
2
|
10.
100 – 11 =
4
89
3
2
|
11.
95 + 894 =
989
2
4
3
|
12.
214 + 298 =
2
512
3
4
|
|
13.
27 + 740 =
3
767
4
2
|
14.
209 + 148 =
2
3
357
4
|
15.
401 – 305 =
4
3
96
2
|
16.
530 + 383 =
3
913
4
2
|
|
17.
647 + 296 =
2
943
4
3
|
18.
339 + 133 =
4
3
472
2
|
19.
296 – 251 =
45
3
2
4
|
20.
737 + 43 =
2
780
4
3
|