Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
814 + 173 =
2
987
3
4
|
2.
412 – 219 =
193
4
3
2
|
3.
628 + 211 =
839
3
4
2
|
4.
211 – 1 =
3
210
2
4
|
|
5.
816 – 635 =
2
181
4
3
|
6.
276 – 40 =
236
3
2
4
|
7.
279 + 451 =
3
730
2
4
|
8.
146 – 114 =
32
3
4
2
|
|
9.
440 – 3 =
437
2
4
3
|
10.
3 + 383 =
4
386
3
2
|
11.
609 – 551 =
3
58
2
4
|
12.
408 + 498 =
906
2
4
3
|
|
13.
814 + 59 =
4
2
3
873
|
14.
136 – 120 =
3
16
4
2
|
15.
171 + 293 =
2
3
4
464
|
16.
132 – 0 =
3
132
2
4
|
|
17.
995 – 922 =
2
3
73
4
|
18.
239 + 232 =
471
4
3
2
|
19.
457 – 129 =
328
4
2
3
|
20.
155 – 79 =
2
3
4
76
|