Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
814 + 106 =
920
3
2
4
|
2.
147 + 182 =
2
329
4
3
|
3.
915 – 816 =
2
99
4
3
|
4.
589 + 84 =
2
673
4
3
|
|
5.
716 + 237 =
3
2
953
4
|
6.
957 – 207 =
4
2
750
3
|
7.
56 – 51 =
2
1
5
3
|
8.
901 – 251 =
4
650
3
2
|
|
9.
175 – 78 =
2
4
3
97
|
10.
750 + 224 =
4
2
974
3
|
11.
575 – 525 =
3
4
50
2
|
12.
597 – 52 =
545
2
3
4
|
|
13.
997 + 2 =
2
4
999
3
|
14.
421 – 100 =
2
321
3
4
|
15.
127 – 70 =
4
3
57
2
|
16.
888 – 252 =
2
636
4
3
|
|
17.
99 – 99 =
2
4
3
0
|
18.
425 + 504 =
2
4
3
929
|
19.
333 – 238 =
4
2
95
3
|
20.
387 – 316 =
71
3
2
4
|