Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
145 + 428 =
4
3
573
2
|
2.
84 + 285 =
3
369
2
4
|
3.
318 – 152 =
166
4
3
2
|
4.
276 + 645 =
921
2
4
3
|
|
5.
249 + 619 =
2
4
3
868
|
6.
656 – 129 =
4
3
527
2
|
7.
713 + 283 =
996
4
2
3
|
8.
305 + 151 =
456
2
3
4
|
|
9.
216 + 635 =
3
851
4
2
|
10.
106 – 92 =
2
1
14
3
|
11.
174 – 171 =
1
2
4
3
|
12.
659 + 337 =
3
4
2
996
|
|
13.
172 – 12 =
3
160
4
2
|
14.
724 – 664 =
2
4
60
3
|
15.
26 – 7 =
3
4
19
2
|
16.
326 + 427 =
3
2
4
753
|
|
17.
630 – 421 =
209
4
3
2
|
18.
645 + 24 =
669
4
3
2
|
19.
969 + 20 =
989
4
3
2
|
20.
518 + 111 =
2
3
629
4
|