Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
3 + 169 =
3
2
172
4
|
2.
309 – 168 =
4
2
141
3
|
3.
989 + 8 =
3
2
4
997
|
4.
447 + 550 =
3
2
997
4
|
|
5.
840 – 467 =
2
3
4
373
|
6.
441 – 253 =
188
3
4
2
|
7.
173 + 324 =
2
4
497
3
|
8.
105 – 0 =
2
4
3
105
|
|
9.
545 – 109 =
4
2
436
3
|
10.
393 + 436 =
829
3
4
2
|
11.
310 + 683 =
993
2
4
3
|
12.
483 + 433 =
3
2
4
916
|
|
13.
239 – 181 =
2
4
58
3
|
14.
32 + 475 =
3
2
4
507
|
15.
728 + 33 =
3
761
4
2
|
16.
33 + 160 =
2
193
4
3
|
|
17.
982 + 3 =
985
3
2
4
|
18.
633 – 594 =
3
39
2
4
|
19.
764 – 640 =
124
3
4
2
|
20.
350 – 266 =
2
4
3
84
|