Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
661 – 311 =
4
350
2
3
|
2.
419 – 274 =
2
145
3
4
|
3.
884 + 29 =
913
2
4
3
|
4.
99 – 63 =
4
2
3
36
|
|
5.
561 + 227 =
788
3
4
2
|
6.
938 – 929 =
1
9
2
3
|
7.
214 + 743 =
3
2
957
4
|
8.
455 + 326 =
781
4
3
2
|
|
9.
19 – 5 =
3
2
1
14
|
10.
908 + 70 =
978
2
4
3
|
11.
207 – 84 =
4
2
3
123
|
12.
328 + 405 =
4
3
2
733
|
|
13.
617 – 118 =
4
2
3
499
|
14.
166 + 329 =
4
3
495
2
|
15.
275 – 37 =
4
3
2
238
|
16.
673 – 373 =
2
300
3
4
|
|
17.
132 – 89 =
43
3
4
2
|
18.
378 – 297 =
81
3
2
4
|
19.
43 – 1 =
4
3
42
2
|
20.
418 + 37 =
2
4
3
455
|