Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
436 + 18 =
4
3
2
454
|
2.
414 – 351 =
3
2
4
63
|
3.
22 – 14 =
1
2
8
3
|
4.
682 – 611 =
3
71
2
4
|
|
5.
371 – 216 =
3
4
155
2
|
6.
161 + 746 =
907
2
4
3
|
7.
155 + 653 =
3
2
4
808
|
8.
869 – 802 =
67
4
2
3
|
|
9.
902 – 446 =
456
2
3
4
|
10.
811 – 316 =
495
4
3
2
|
11.
499 + 338 =
4
837
3
2
|
12.
15 – 2 =
3
13
2
1
|
|
13.
654 – 64 =
2
590
4
3
|
14.
389 + 238 =
3
4
2
627
|
15.
286 + 308 =
2
594
3
4
|
16.
744 + 3 =
4
747
2
3
|
|
17.
173 + 767 =
3
4
2
940
|
18.
772 + 79 =
4
3
2
851
|
19.
720 – 481 =
3
239
2
4
|
20.
911 – 837 =
2
4
3
74
|