Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
940 + 46 =
4
986
3
2
|
2.
55 – 4 =
51
3
2
4
|
3.
723 – 587 =
136
4
2
3
|
4.
239 + 534 =
4
773
2
3
|
|
5.
366 – 306 =
2
4
60
3
|
6.
107 – 22 =
2
85
3
4
|
7.
62 + 366 =
428
4
2
3
|
8.
904 + 1 =
905
4
2
3
|
|
9.
436 – 113 =
323
2
4
3
|
10.
873 – 354 =
519
4
2
3
|
11.
48 + 809 =
2
3
4
857
|
12.
502 + 280 =
2
782
4
3
|
|
13.
810 + 47 =
4
2
3
857
|
14.
784 + 96 =
2
4
3
880
|
15.
894 + 20 =
4
2
914
3
|
16.
767 + 178 =
4
2
945
3
|
|
17.
630 – 405 =
225
2
4
3
|
18.
761 + 86 =
847
4
3
2
|
19.
270 + 277 =
2
547
4
3
|
20.
604 + 18 =
3
4
622
2
|