Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
288 + 1 =
3
4
2
289
|
2.
191 – 181 =
1
10
2
3
|
3.
919 – 480 =
439
4
3
2
|
4.
134 + 571 =
2
705
3
4
|
|
5.
748 + 187 =
2
4
935
3
|
6.
470 + 514 =
4
984
3
2
|
7.
380 + 86 =
4
2
466
3
|
8.
839 + 124 =
963
3
2
4
|
|
9.
217 – 23 =
2
3
4
194
|
10.
982 – 725 =
257
3
2
4
|
11.
885 – 312 =
573
3
4
2
|
12.
446 + 548 =
994
4
3
2
|
|
13.
314 – 106 =
208
3
4
2
|
14.
687 – 517 =
170
4
3
2
|
15.
79 – 52 =
27
4
2
3
|
16.
716 – 246 =
4
470
3
2
|
|
17.
550 – 363 =
4
3
187
2
|
18.
291 + 438 =
729
2
4
3
|
19.
588 + 213 =
801
2
3
4
|
20.
634 – 617 =
17
2
3
4
|