Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
345 – 255 =
2
4
3
90
|
2.
781 – 369 =
4
3
2
412
|
3.
416 – 83 =
3
2
333
4
|
4.
172 – 156 =
4
2
3
16
|
|
5.
403 – 355 =
2
48
3
4
|
6.
277 + 399 =
2
676
3
4
|
7.
185 – 56 =
2
3
129
4
|
8.
577 + 303 =
4
880
3
2
|
|
9.
263 – 50 =
2
3
213
4
|
10.
96 – 80 =
4
3
16
2
|
11.
458 – 350 =
2
108
4
3
|
12.
194 + 186 =
4
3
380
2
|
|
13.
397 + 382 =
4
2
779
3
|
14.
669 – 301 =
3
4
2
368
|
15.
599 + 97 =
3
4
2
696
|
16.
480 – 280 =
3
200
2
4
|
|
17.
278 – 104 =
2
4
3
174
|
18.
774 + 166 =
940
2
3
4
|
19.
823 + 38 =
4
861
3
2
|
20.
139 + 757 =
2
4
896
3
|