Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
223 – 120 =
103
2
3
4
|
2.
84 – 21 =
4
3
2
63
|
3.
798 + 90 =
2
4
888
3
|
4.
394 + 575 =
969
4
2
3
|
|
5.
651 + 330 =
981
2
4
3
|
6.
829 – 75 =
754
3
4
2
|
7.
477 – 144 =
4
2
3
333
|
8.
371 + 435 =
2
806
4
3
|
|
9.
807 + 25 =
3
2
4
832
|
10.
590 – 268 =
2
4
322
3
|
11.
544 – 171 =
2
3
4
373
|
12.
656 + 113 =
769
3
2
4
|
|
13.
25 + 349 =
374
4
3
2
|
14.
261 – 212 =
49
4
2
3
|
15.
790 – 121 =
3
4
2
669
|
16.
544 + 254 =
2
3
798
4
|
|
17.
145 – 53 =
3
4
2
92
|
18.
922 – 364 =
3
4
2
558
|
19.
521 + 105 =
4
2
3
626
|
20.
841 + 56 =
3
897
2
4
|