Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
256 – 108 =
2
4
3
148
|
2.
338 – 185 =
2
153
4
3
|
3.
689 + 252 =
2
941
4
3
|
4.
191 – 107 =
3
84
4
2
|
|
5.
651 – 245 =
3
2
406
4
|
6.
506 – 469 =
4
37
3
2
|
7.
606 + 322 =
4
2
928
3
|
8.
31 – 8 =
23
3
2
4
|
|
9.
476 + 430 =
906
4
2
3
|
10.
284 + 421 =
3
2
705
4
|
11.
599 – 204 =
2
4
3
395
|
12.
918 + 46 =
3
2
4
964
|
|
13.
257 – 233 =
3
24
2
4
|
14.
527 – 341 =
2
3
4
186
|
15.
390 – 355 =
35
2
4
3
|
16.
368 – 214 =
3
4
2
154
|
|
17.
885 – 348 =
2
537
3
4
|
18.
944 + 48 =
3
4
2
992
|
19.
764 + 211 =
3
4
975
2
|
20.
675 + 246 =
921
3
2
4
|