Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
874 – 51 =
823
3
2
4
|
2.
358 + 153 =
3
2
4
511
|
3.
690 – 234 =
4
2
456
3
|
4.
804 – 160 =
4
644
2
3
|
|
5.
716 – 377 =
2
4
3
339
|
6.
215 – 180 =
3
4
2
35
|
7.
367 – 184 =
3
183
4
2
|
8.
441 – 378 =
3
2
4
63
|
|
9.
321 + 89 =
3
410
4
2
|
10.
525 – 54 =
4
2
3
471
|
11.
178 + 109 =
4
287
3
2
|
12.
62 – 23 =
3
39
4
2
|
|
13.
594 – 487 =
3
4
107
2
|
14.
921 – 375 =
2
4
3
546
|
15.
294 – 112 =
4
2
182
3
|
16.
35 – 35 =
4
3
2
0
|
|
17.
623 – 73 =
4
2
3
550
|
18.
152 – 52 =
100
4
2
3
|
19.
968 – 902 =
3
66
2
4
|
20.
482 + 35 =
4
3
517
2
|