Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
333 – 90 =
4
243
2
3
|
2.
705 – 702 =
3
4
1
2
|
3.
271 + 205 =
4
476
3
2
|
4.
236 – 223 =
13
1
2
3
|
|
5.
332 – 312 =
3
2
20
4
|
6.
164 + 269 =
2
3
4
433
|
7.
350 – 54 =
2
296
3
4
|
8.
170 + 285 =
3
455
2
4
|
|
9.
293 + 412 =
705
2
4
3
|
10.
300 – 288 =
1
3
12
2
|
11.
753 + 197 =
950
4
2
3
|
12.
624 – 463 =
3
161
4
2
|
|
13.
374 – 238 =
4
136
3
2
|
14.
690 + 50 =
3
2
740
4
|
15.
987 + 6 =
993
2
3
4
|
16.
342 + 365 =
2
3
707
4
|
|
17.
749 – 304 =
2
445
4
3
|
18.
812 – 289 =
523
2
4
3
|
19.
770 + 31 =
2
3
4
801
|
20.
788 + 4 =
2
3
792
4
|