Los de erbijsom en erafsom tot 1.000 op
In de mix
|
1.
678 – 666 =
3
2
12
1
|
2.
548 – 521 =
2
3
27
4
|
3.
988 + 1 =
989
4
3
2
|
4.
439 + 247 =
686
2
4
3
|
|
5.
518 + 171 =
689
2
3
4
|
6.
907 – 30 =
4
3
2
877
|
7.
609 + 73 =
2
682
4
3
|
8.
324 + 501 =
3
825
4
2
|
|
9.
854 + 102 =
956
3
2
4
|
10.
297 – 201 =
4
3
2
96
|
11.
814 – 619 =
3
195
2
4
|
12.
241 + 98 =
2
4
339
3
|
|
13.
73 + 381 =
2
454
3
4
|
14.
109 + 199 =
3
4
2
308
|
15.
255 – 58 =
197
3
4
2
|
16.
693 – 594 =
4
3
2
99
|
|
17.
996 + 1 =
3
997
2
4
|
18.
210 – 210 =
2
4
0
3
|
19.
721 + 88 =
4
3
809
2
|
20.
757 – 499 =
258
2
3
4
|