Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
173 – 107 =
3
4
66
2
|
2.
254 + 662 =
916
3
2
4
|
3.
34 – 2 =
3
2
32
4
|
4.
841 – 482 =
359
2
3
4
|
|
5.
335 + 468 =
4
2
3
803
|
6.
343 – 4 =
4
3
339
2
|
7.
290 + 633 =
2
3
4
923
|
8.
676 + 308 =
4
3
2
984
|
|
9.
787 – 707 =
4
2
80
3
|
10.
408 – 391 =
17
2
3
4
|
11.
559 + 396 =
955
3
2
4
|
12.
485 – 144 =
3
2
4
341
|
|
13.
128 – 11 =
4
3
117
2
|
14.
254 – 106 =
3
148
4
2
|
15.
814 – 418 =
3
2
396
4
|
16.
350 – 2 =
4
2
348
3
|
|
17.
441 + 52 =
3
4
493
2
|
18.
772 + 222 =
3
994
2
4
|
19.
953 – 209 =
4
3
2
744
|
20.
33 + 496 =
2
3
4
529
|