Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
626 – 137 =
489
2
4
3
|
2.
421 – 168 =
253
2
3
4
|
3.
972 + 14 =
2
986
3
4
|
4.
416 – 152 =
4
2
3
264
|
|
5.
633 + 35 =
2
668
4
3
|
6.
332 – 305 =
27
2
3
4
|
7.
590 + 182 =
4
2
3
772
|
8.
375 + 151 =
526
2
4
3
|
|
9.
307 + 477 =
3
2
784
4
|
10.
556 + 411 =
3
2
4
967
|
11.
372 – 89 =
283
3
2
4
|
12.
649 + 12 =
661
2
3
4
|
|
13.
521 – 248 =
2
4
273
3
|
14.
52 – 15 =
3
2
4
37
|
15.
57 + 285 =
2
4
342
3
|
16.
865 + 27 =
4
892
2
3
|
|
17.
35 + 303 =
338
2
4
3
|
18.
868 – 542 =
4
2
3
326
|
19.
969 – 663 =
4
306
3
2
|
20.
257 – 83 =
2
4
174
3
|