Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
770 – 166 =
604
3
4
2
|
2.
118 – 21 =
4
3
2
97
|
3.
3 – 3 =
2
4
3
0
|
4.
778 + 66 =
844
3
4
2
|
|
5.
142 + 705 =
847
2
3
4
|
6.
618 – 453 =
4
2
3
165
|
7.
474 + 489 =
963
2
3
4
|
8.
231 – 172 =
4
2
59
3
|
|
9.
416 + 565 =
4
2
3
981
|
10.
32 – 27 =
5
3
2
1
|
11.
194 + 60 =
3
4
2
254
|
12.
969 – 717 =
4
3
252
2
|
|
13.
174 – 42 =
4
2
132
3
|
14.
805 – 769 =
3
2
4
36
|
15.
375 + 138 =
2
513
3
4
|
16.
540 – 322 =
218
3
2
4
|
|
17.
329 – 273 =
2
4
56
3
|
18.
874 + 46 =
920
2
3
4
|
19.
780 – 261 =
519
4
3
2
|
20.
573 – 395 =
2
178
4
3
|