Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
993 + 7 =
1000
4
2
3
|
2.
753 + 223 =
2
4
976
3
|
3.
170 – 117 =
53
2
4
3
|
4.
144 + 15 =
2
4
3
159
|
|
5.
891 – 818 =
2
4
3
73
|
6.
164 – 106 =
3
58
4
2
|
7.
689 + 292 =
4
3
2
981
|
8.
924 + 59 =
3
983
2
4
|
|
9.
365 – 148 =
217
2
4
3
|
10.
496 + 310 =
2
806
3
4
|
11.
129 – 30 =
4
3
99
2
|
12.
647 – 500 =
2
4
147
3
|
|
13.
97 – 55 =
42
4
2
3
|
14.
587 + 321 =
2
3
4
908
|
15.
28 – 5 =
4
2
23
3
|
16.
71 + 780 =
2
851
4
3
|
|
17.
108 – 11 =
97
2
4
3
|
18.
968 + 15 =
3
2
983
4
|
19.
369 + 593 =
4
962
3
2
|
20.
399 – 343 =
56
2
4
3
|