Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
150 + 280 =
4
3
2
430
|
2.
334 + 55 =
4
2
3
389
|
3.
635 + 308 =
4
3
2
943
|
4.
6 + 129 =
135
2
4
3
|
|
5.
483 – 37 =
3
4
2
446
|
6.
182 + 70 =
2
3
252
4
|
7.
917 + 21 =
938
2
3
4
|
8.
622 – 183 =
2
3
439
4
|
|
9.
119 – 84 =
4
35
2
3
|
10.
392 + 487 =
2
3
879
4
|
11.
206 – 77 =
3
2
4
129
|
12.
894 + 64 =
4
3
958
2
|
|
13.
761 + 105 =
3
2
866
4
|
14.
637 – 207 =
3
4
2
430
|
15.
741 + 135 =
4
2
876
3
|
16.
146 + 321 =
467
2
3
4
|
|
17.
535 – 440 =
2
4
95
3
|
18.
586 + 79 =
2
3
665
4
|
19.
699 – 497 =
2
4
202
3
|
20.
265 – 185 =
4
80
2
3
|