Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
340 + 660 =
1000
4
3
2
|
2.
106 – 61 =
45
4
3
2
|
3.
917 + 40 =
957
4
3
2
|
4.
988 – 891 =
97
2
3
4
|
|
5.
95 + 517 =
2
612
4
3
|
6.
741 + 133 =
3
4
874
2
|
7.
530 – 193 =
337
4
3
2
|
8.
670 – 635 =
35
3
4
2
|
|
9.
227 – 93 =
134
3
2
4
|
10.
425 – 101 =
3
324
2
4
|
11.
225 + 343 =
2
568
4
3
|
12.
746 + 206 =
4
952
2
3
|
|
13.
546 – 195 =
2
351
4
3
|
14.
761 – 447 =
2
4
3
314
|
15.
391 + 527 =
918
4
2
3
|
16.
349 – 211 =
138
3
2
4
|
|
17.
451 – 318 =
2
4
133
3
|
18.
12 – 8 =
3
4
1
2
|
19.
406 + 247 =
4
2
3
653
|
20.
844 – 613 =
3
2
4
231
|