Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
97 – 18 =
79
4
2
3
|
2.
412 – 296 =
4
116
2
3
|
3.
924 + 3 =
4
927
2
3
|
4.
24 – 3 =
3
4
21
2
|
|
5.
7 – 7 =
4
3
2
0
|
6.
538 + 41 =
579
3
4
2
|
7.
49 + 202 =
2
251
3
4
|
8.
936 – 834 =
3
4
102
2
|
|
9.
431 + 153 =
3
2
584
4
|
10.
633 + 168 =
4
2
801
3
|
11.
917 – 902 =
15
2
3
1
|
12.
992 – 592 =
3
2
4
400
|
|
13.
31 – 29 =
1
4
3
2
|
14.
650 + 329 =
3
2
979
4
|
15.
33 – 30 =
4
3
1
2
|
16.
104 + 772 =
4
3
876
2
|
|
17.
530 + 382 =
4
3
2
912
|
18.
373 – 100 =
273
2
3
4
|
19.
423 – 86 =
337
4
2
3
|
20.
511 + 334 =
845
3
4
2
|