Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
624 + 217 =
841
2
3
4
|
2.
169 – 139 =
3
2
30
4
|
3.
77 – 32 =
3
2
45
4
|
4.
792 – 23 =
4
2
3
769
|
|
5.
65 – 28 =
3
2
4
37
|
6.
416 + 343 =
3
4
759
2
|
7.
147 + 626 =
773
2
3
4
|
8.
227 + 377 =
2
3
604
4
|
|
9.
920 – 644 =
4
2
3
276
|
10.
301 – 170 =
2
4
3
131
|
11.
269 + 332 =
4
601
3
2
|
12.
551 – 248 =
2
3
303
4
|
|
13.
95 + 814 =
909
2
3
4
|
14.
379 – 185 =
4
194
2
3
|
15.
332 + 83 =
3
4
415
2
|
16.
667 – 150 =
3
517
4
2
|
|
17.
311 – 90 =
3
4
2
221
|
18.
580 – 417 =
4
2
163
3
|
19.
816 + 86 =
3
2
902
4
|
20.
527 + 214 =
741
3
4
2
|