Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
413 – 50 =
2
3
363
4
|
2.
254 – 80 =
3
174
2
4
|
3.
537 – 195 =
3
342
4
2
|
4.
436 + 214 =
2
4
650
3
|
|
5.
277 + 647 =
4
924
3
2
|
6.
580 + 211 =
3
2
4
791
|
7.
526 + 251 =
3
777
2
4
|
8.
500 – 458 =
42
2
4
3
|
|
9.
261 – 125 =
136
4
3
2
|
10.
588 + 234 =
822
3
2
4
|
11.
252 + 424 =
676
3
2
4
|
12.
880 + 97 =
2
3
4
977
|
|
13.
755 + 6 =
761
4
2
3
|
14.
225 + 775 =
4
1000
3
2
|
15.
332 + 305 =
2
4
637
3
|
16.
542 – 533 =
3
9
1
2
|
|
17.
485 + 446 =
3
4
2
931
|
18.
716 – 603 =
4
3
2
113
|
19.
793 + 80 =
2
3
873
4
|
20.
901 – 688 =
3
213
2
4
|