Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
352 – 322 =
30
3
2
4
|
2.
599 + 240 =
839
3
2
4
|
3.
457 – 76 =
2
4
3
381
|
4.
432 – 245 =
2
4
187
3
|
|
5.
94 – 51 =
2
3
4
43
|
6.
456 + 434 =
3
2
4
890
|
7.
885 + 31 =
2
4
3
916
|
8.
184 + 467 =
4
651
3
2
|
|
9.
475 – 176 =
299
2
4
3
|
10.
576 – 324 =
4
3
252
2
|
11.
641 – 355 =
2
3
4
286
|
12.
498 – 447 =
3
4
51
2
|
|
13.
718 – 170 =
4
3
2
548
|
14.
433 + 509 =
2
942
3
4
|
15.
508 – 93 =
415
4
2
3
|
16.
455 – 6 =
2
449
4
3
|
|
17.
102 – 4 =
98
3
2
4
|
18.
297 – 187 =
2
110
3
4
|
19.
522 + 475 =
4
2
3
997
|
20.
385 + 612 =
4
3
2
997
|