Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
353 + 498 =
851
4
3
2
|
2.
107 – 42 =
3
4
65
2
|
3.
833 – 700 =
4
2
133
3
|
4.
866 + 86 =
3
2
952
4
|
|
5.
735 + 246 =
3
4
2
981
|
6.
833 + 139 =
972
2
3
4
|
7.
858 – 342 =
2
516
4
3
|
8.
230 – 95 =
4
135
2
3
|
|
9.
185 + 285 =
4
470
3
2
|
10.
536 – 188 =
3
2
348
4
|
11.
260 + 621 =
2
3
4
881
|
12.
434 + 174 =
4
2
3
608
|
|
13.
705 – 637 =
3
4
68
2
|
14.
427 – 134 =
2
3
293
4
|
15.
614 + 110 =
4
3
724
2
|
16.
574 + 250 =
4
2
3
824
|
|
17.
720 + 108 =
4
2
3
828
|
18.
119 – 43 =
2
76
4
3
|
19.
195 – 161 =
4
34
2
3
|
20.
244 – 157 =
87
3
4
2
|