Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
795 + 143 =
4
938
3
2
|
2.
695 + 82 =
777
2
4
3
|
3.
688 + 3 =
4
2
691
3
|
4.
262 + 240 =
2
4
502
3
|
|
5.
67 – 67 =
3
4
0
2
|
6.
765 – 765 =
3
4
0
2
|
7.
73 – 34 =
39
4
3
2
|
8.
516 + 83 =
2
4
3
599
|
|
9.
361 – 73 =
288
3
2
4
|
10.
353 + 171 =
4
3
524
2
|
11.
594 – 509 =
85
3
4
2
|
12.
33 + 674 =
4
707
2
3
|
|
13.
860 – 447 =
4
3
413
2
|
14.
362 – 279 =
4
83
2
3
|
15.
985 – 544 =
441
3
4
2
|
16.
428 + 530 =
958
2
3
4
|
|
17.
797 + 53 =
3
4
850
2
|
18.
916 – 787 =
3
129
2
4
|
19.
720 + 30 =
2
3
4
750
|
20.
48 + 96 =
4
2
3
144
|