Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
927 + 54 =
3
981
2
4
|
2.
643 – 441 =
3
202
2
4
|
3.
797 – 741 =
4
2
3
56
|
4.
77 – 18 =
59
3
2
4
|
|
5.
547 + 291 =
3
838
4
2
|
6.
185 + 54 =
239
3
2
4
|
7.
587 + 101 =
3
4
2
688
|
8.
738 – 194 =
2
3
4
544
|
|
9.
915 + 15 =
3
930
4
2
|
10.
53 – 30 =
3
23
4
2
|
11.
163 – 54 =
109
4
2
3
|
12.
642 – 421 =
221
4
3
2
|
|
13.
821 – 145 =
4
2
676
3
|
14.
622 + 277 =
899
3
2
4
|
15.
310 – 116 =
3
4
2
194
|
16.
29 + 849 =
2
4
3
878
|
|
17.
878 + 81 =
959
4
2
3
|
18.
244 + 34 =
4
3
278
2
|
19.
751 + 120 =
871
3
4
2
|
20.
333 – 198 =
4
135
3
2
|