Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
802 – 741 =
3
61
2
4
|
2.
19 – 16 =
1
4
2
3
|
3.
909 + 59 =
2
4
3
968
|
4.
930 – 308 =
2
622
4
3
|
|
5.
127 + 611 =
3
4
2
738
|
6.
473 – 227 =
3
4
2
246
|
7.
499 – 11 =
3
488
4
2
|
8.
857 – 455 =
2
4
402
3
|
|
9.
116 + 537 =
653
2
4
3
|
10.
889 – 791 =
3
4
2
98
|
11.
70 + 702 =
772
2
4
3
|
12.
579 + 163 =
2
4
742
3
|
|
13.
717 – 231 =
3
2
486
4
|
14.
761 + 85 =
3
2
4
846
|
15.
173 – 172 =
3
4
1
2
|
16.
635 + 245 =
880
4
2
3
|
|
17.
688 + 6 =
2
4
694
3
|
18.
526 + 226 =
752
3
4
2
|
19.
25 – 13 =
3
2
12
1
|
20.
902 + 25 =
2
3
927
4
|