Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
687 + 150 =
2
4
837
3
|
2.
155 – 114 =
3
4
2
41
|
3.
220 – 42 =
2
3
178
4
|
4.
162 + 6 =
4
168
3
2
|
|
5.
990 – 214 =
2
3
776
4
|
6.
590 + 66 =
4
2
3
656
|
7.
64 + 717 =
781
4
3
2
|
8.
911 – 406 =
4
3
2
505
|
|
9.
966 + 19 =
985
3
2
4
|
10.
915 + 10 =
925
2
4
3
|
11.
169 – 9 =
160
3
4
2
|
12.
21 + 594 =
4
2
3
615
|
|
13.
942 + 56 =
998
2
4
3
|
14.
574 – 134 =
3
4
2
440
|
15.
611 – 242 =
369
4
2
3
|
16.
257 – 68 =
4
189
3
2
|
|
17.
505 + 356 =
861
3
4
2
|
18.
21 – 4 =
4
17
2
3
|
19.
578 + 176 =
754
4
3
2
|
20.
630 – 469 =
161
4
3
2
|