Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
992 – 274 =
3
2
718
4
|
2.
416 + 298 =
714
4
2
3
|
3.
306 – 22 =
284
4
2
3
|
4.
995 – 408 =
3
2
587
4
|
|
5.
881 + 114 =
995
4
3
2
|
6.
830 + 40 =
870
2
4
3
|
7.
344 – 0 =
344
2
3
4
|
8.
309 + 639 =
4
2
948
3
|
|
9.
170 + 267 =
3
2
437
4
|
10.
427 + 238 =
3
4
2
665
|
11.
220 + 384 =
2
604
4
3
|
12.
569 + 84 =
3
653
4
2
|
|
13.
74 + 377 =
4
2
451
3
|
14.
90 + 72 =
162
4
2
3
|
15.
660 + 58 =
4
3
718
2
|
16.
344 – 309 =
4
35
2
3
|
|
17.
862 – 112 =
4
2
750
3
|
18.
308 – 253 =
4
2
55
3
|
19.
867 + 117 =
3
984
2
4
|
20.
94 – 54 =
3
40
4
2
|