Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
302 – 245 =
2
3
57
4
|
2.
283 + 686 =
3
4
969
2
|
3.
50 – 2 =
4
3
2
48
|
4.
271 – 262 =
1
3
2
9
|
|
5.
744 – 125 =
2
4
3
619
|
6.
553 – 546 =
2
3
7
1
|
7.
46 – 44 =
1
4
2
3
|
8.
353 – 114 =
2
239
3
4
|
|
9.
152 + 382 =
2
4
3
534
|
10.
850 – 109 =
3
741
4
2
|
11.
690 + 176 =
866
4
2
3
|
12.
963 + 17 =
2
980
3
4
|
|
13.
392 + 319 =
4
711
3
2
|
14.
458 – 76 =
2
4
382
3
|
15.
470 + 307 =
2
777
4
3
|
16.
832 + 39 =
871
3
2
4
|
|
17.
182 + 313 =
2
4
495
3
|
18.
638 – 375 =
3
2
263
4
|
19.
316 + 171 =
487
4
2
3
|
20.
320 – 39 =
4
2
3
281
|