Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
682 + 44 =
3
726
2
4
|
2.
945 + 24 =
969
2
4
3
|
3.
161 + 3 =
2
3
4
164
|
4.
694 – 305 =
2
389
4
3
|
|
5.
563 – 479 =
2
4
84
3
|
6.
651 + 36 =
4
687
3
2
|
7.
547 + 177 =
2
4
724
3
|
8.
619 + 36 =
655
3
2
4
|
|
9.
874 – 615 =
2
4
3
259
|
10.
364 + 117 =
481
2
4
3
|
11.
554 + 10 =
2
4
564
3
|
12.
87 – 69 =
2
3
18
4
|
|
13.
759 – 265 =
3
2
4
494
|
14.
716 – 355 =
3
4
361
2
|
15.
426 – 65 =
3
2
4
361
|
16.
547 + 397 =
2
4
3
944
|
|
17.
246 – 93 =
3
153
2
4
|
18.
567 + 310 =
877
3
4
2
|
19.
397 + 69 =
466
4
2
3
|
20.
326 – 319 =
1
3
2
7
|