Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
689 + 254 =
2
3
4
943
|
2.
530 + 236 =
2
3
4
766
|
3.
360 + 199 =
559
2
3
4
|
4.
538 + 191 =
4
729
2
3
|
|
5.
56 – 46 =
10
3
2
1
|
6.
454 – 225 =
4
3
2
229
|
7.
796 – 303 =
4
3
493
2
|
8.
814 – 352 =
3
462
2
4
|
|
9.
646 + 55 =
2
701
3
4
|
10.
859 – 601 =
4
2
258
3
|
11.
575 – 144 =
2
3
4
431
|
12.
339 + 450 =
3
789
4
2
|
|
13.
4 + 229 =
233
3
2
4
|
14.
415 + 461 =
3
876
2
4
|
15.
288 – 218 =
3
70
2
4
|
16.
753 – 327 =
426
4
2
3
|
|
17.
871 – 328 =
3
4
543
2
|
18.
762 – 166 =
3
4
596
2
|
19.
241 + 238 =
479
4
3
2
|
20.
127 – 50 =
3
2
77
4
|