Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
20 – 12 =
8
2
1
3
|
2.
653 – 417 =
236
3
2
4
|
3.
961 – 808 =
153
2
4
3
|
4.
739 + 144 =
883
4
3
2
|
|
5.
74 – 68 =
1
6
3
2
|
6.
977 + 3 =
3
980
4
2
|
7.
407 – 295 =
112
4
2
3
|
8.
112 – 112 =
4
0
3
2
|
|
9.
817 + 175 =
3
992
2
4
|
10.
264 + 24 =
3
4
288
2
|
11.
690 + 212 =
4
2
3
902
|
12.
869 + 91 =
3
960
4
2
|
|
13.
445 – 377 =
3
4
68
2
|
14.
381 – 65 =
316
3
2
4
|
15.
867 – 750 =
3
2
117
4
|
16.
741 + 39 =
4
3
2
780
|
|
17.
61 – 37 =
24
2
4
3
|
18.
688 + 151 =
4
3
2
839
|
19.
249 – 71 =
3
178
4
2
|
20.
352 – 169 =
183
2
4
3
|