Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
210 – 50 =
4
2
160
3
|
2.
45 + 90 =
2
4
135
3
|
3.
611 – 330 =
2
281
3
4
|
4.
221 – 51 =
2
3
170
4
|
|
5.
996 – 966 =
4
2
3
30
|
6.
50 + 809 =
859
2
3
4
|
7.
299 + 127 =
4
426
3
2
|
8.
498 – 187 =
311
4
3
2
|
|
9.
4 – 4 =
0
2
3
4
|
10.
24 – 19 =
2
5
3
1
|
11.
256 + 548 =
804
3
4
2
|
12.
557 – 21 =
2
3
536
4
|
|
13.
834 – 286 =
548
2
4
3
|
14.
824 + 76 =
900
3
2
4
|
15.
548 + 46 =
594
4
2
3
|
16.
758 – 517 =
3
2
4
241
|
|
17.
772 – 144 =
2
628
4
3
|
18.
715 + 18 =
2
3
4
733
|
19.
382 – 2 =
4
3
380
2
|
20.
702 – 79 =
2
3
4
623
|