Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
126 + 586 =
2
3
4
712
|
2.
721 + 7 =
728
2
4
3
|
3.
666 + 153 =
3
4
2
819
|
4.
332 – 5 =
3
4
327
2
|
|
5.
584 + 255 =
2
3
839
4
|
6.
533 + 297 =
2
830
3
4
|
7.
753 + 84 =
837
4
3
2
|
8.
957 – 348 =
2
609
4
3
|
|
9.
770 + 152 =
3
4
2
922
|
10.
583 – 510 =
73
3
4
2
|
11.
317 + 429 =
746
4
2
3
|
12.
743 + 65 =
4
3
2
808
|
|
13.
966 – 415 =
4
3
2
551
|
14.
608 – 464 =
144
4
2
3
|
15.
413 – 388 =
4
25
3
2
|
16.
94 + 130 =
2
3
4
224
|
|
17.
630 – 582 =
48
2
3
4
|
18.
172 – 33 =
139
3
4
2
|
19.
603 – 457 =
146
4
2
3
|
20.
353 + 78 =
2
4
3
431
|