Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
769 – 275 =
3
2
494
4
|
2.
783 – 4 =
3
779
4
2
|
3.
960 + 17 =
977
2
3
4
|
4.
300 – 85 =
3
2
4
215
|
|
5.
51 + 231 =
4
2
282
3
|
6.
926 + 68 =
4
994
3
2
|
7.
804 – 20 =
784
3
2
4
|
8.
439 – 387 =
3
2
52
4
|
|
9.
105 – 47 =
2
58
4
3
|
10.
469 + 445 =
4
914
3
2
|
11.
732 + 65 =
4
2
797
3
|
12.
21 – 12 =
9
3
1
2
|
|
13.
927 + 10 =
937
4
2
3
|
14.
894 – 296 =
2
4
3
598
|
15.
344 – 295 =
49
4
3
2
|
16.
175 – 22 =
2
3
153
4
|
|
17.
595 + 40 =
635
2
4
3
|
18.
955 + 29 =
3
984
4
2
|
19.
700 – 17 =
2
683
4
3
|
20.
953 – 466 =
3
487
4
2
|