Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
984 + 2 =
986
4
2
3
|
2.
841 – 575 =
266
2
4
3
|
3.
44 – 4 =
3
4
2
40
|
4.
55 – 19 =
2
36
3
4
|
|
5.
77 + 332 =
4
3
2
409
|
6.
901 – 554 =
4
2
3
347
|
7.
891 – 43 =
848
4
2
3
|
8.
428 + 92 =
4
2
520
3
|
|
9.
715 + 110 =
2
3
825
4
|
10.
825 + 12 =
4
2
3
837
|
11.
596 – 582 =
14
3
1
2
|
12.
711 + 211 =
4
2
922
3
|
|
13.
132 – 56 =
2
3
76
4
|
14.
946 – 268 =
678
3
2
4
|
15.
319 + 396 =
2
4
715
3
|
16.
712 – 345 =
4
367
2
3
|
|
17.
7 + 534 =
4
3
541
2
|
18.
383 + 194 =
3
4
577
2
|
19.
861 – 234 =
4
3
2
627
|
20.
863 – 126 =
737
3
2
4
|