Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
83 – 36 =
2
47
|
2.
420 + 433 =
2
853
|
3.
979 + 1 =
980
2
|
4.
156 – 11 =
2
145
|
|
5.
969 + 6 =
975
2
|
6.
50 – 45 =
5
1
|
7.
378 – 321 =
2
57
|
8.
609 + 74 =
2
683
|
|
9.
36 – 33 =
3
1
|
10.
108 + 335 =
443
2
|
11.
295 + 429 =
724
2
|
12.
973 – 488 =
485
2
|
|
13.
389 – 271 =
118
2
|
14.
149 + 634 =
2
783
|
15.
471 + 76 =
547
2
|
16.
761 + 56 =
2
817
|
|
17.
422 – 279 =
2
143
|
18.
980 + 7 =
987
2
|
19.
49 + 395 =
2
444
|
20.
304 + 686 =
990
2
|