Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
101 – 43 =
4
58
2
3
|
2.
806 + 20 =
826
4
3
2
|
3.
122 + 28 =
2
3
150
4
|
4.
792 – 245 =
3
4
547
2
|
|
5.
864 – 371 =
493
2
3
4
|
6.
104 + 257 =
4
3
361
2
|
7.
498 – 198 =
4
3
300
2
|
8.
313 – 10 =
4
303
2
3
|
|
9.
150 – 108 =
2
4
42
3
|
10.
826 – 405 =
421
4
3
2
|
11.
418 + 536 =
2
4
3
954
|
12.
584 + 84 =
2
3
4
668
|
|
13.
295 + 231 =
3
2
4
526
|
14.
83 + 485 =
3
4
568
2
|
15.
963 – 953 =
2
1
3
10
|
16.
647 + 161 =
4
2
808
3
|
|
17.
858 + 35 =
2
3
893
4
|
18.
741 – 513 =
2
3
228
4
|
19.
29 – 0 =
29
2
3
4
|
20.
831 + 158 =
3
4
2
989
|