Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
957 – 450 =
507
2
4
3
|
2.
660 – 620 =
2
4
3
40
|
3.
752 + 161 =
2
4
3
913
|
4.
118 – 12 =
2
4
3
106
|
|
5.
749 + 123 =
872
2
3
4
|
6.
378 – 245 =
3
2
4
133
|
7.
636 + 292 =
4
928
3
2
|
8.
830 + 136 =
2
4
966
3
|
|
9.
891 + 100 =
2
3
4
991
|
10.
233 – 54 =
2
4
3
179
|
11.
246 + 64 =
2
4
310
3
|
12.
131 – 113 =
2
4
18
3
|
|
13.
291 + 689 =
2
3
980
4
|
14.
453 + 396 =
849
3
2
4
|
15.
859 – 410 =
3
449
2
4
|
16.
573 – 493 =
80
4
2
3
|
|
17.
800 – 492 =
2
308
4
3
|
18.
249 – 66 =
2
183
4
3
|
19.
911 + 43 =
954
4
2
3
|
20.
641 + 293 =
2
4
934
3
|