Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
873 – 216 =
4
2
657
3
|
2.
307 + 604 =
2
911
4
3
|
3.
554 + 383 =
2
4
937
3
|
4.
221 – 108 =
4
113
2
3
|
|
5.
701 – 21 =
680
3
4
2
|
6.
962 – 552 =
2
410
4
3
|
7.
546 + 356 =
902
2
4
3
|
8.
74 + 167 =
241
2
4
3
|
|
9.
735 + 130 =
3
2
4
865
|
10.
347 + 55 =
3
2
402
4
|
11.
653 – 189 =
464
4
3
2
|
12.
28 + 640 =
668
2
3
4
|
|
13.
821 – 521 =
300
2
4
3
|
14.
834 – 302 =
2
532
3
4
|
15.
644 – 204 =
3
2
440
4
|
16.
104 – 18 =
2
4
3
86
|
|
17.
906 – 267 =
3
2
4
639
|
18.
393 – 174 =
219
2
4
3
|
19.
95 – 1 =
94
2
4
3
|
20.
604 + 66 =
2
3
670
4
|