Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
499 + 149 =
2
3
4
648
|
2.
976 + 13 =
2
4
3
989
|
3.
315 – 315 =
4
2
3
0
|
4.
446 – 143 =
303
2
4
3
|
|
5.
832 + 18 =
850
3
4
2
|
6.
133 + 535 =
668
3
4
2
|
7.
256 – 80 =
4
2
176
3
|
8.
660 – 295 =
3
4
2
365
|
|
9.
152 + 787 =
3
4
2
939
|
10.
301 + 526 =
827
2
3
4
|
11.
526 + 367 =
893
4
3
2
|
12.
6 – 6 =
3
4
0
2
|
|
13.
146 – 133 =
1
2
3
13
|
14.
320 – 262 =
58
4
2
3
|
15.
979 + 9 =
4
3
2
988
|
16.
414 + 90 =
2
4
3
504
|
|
17.
824 – 551 =
2
3
4
273
|
18.
264 + 313 =
2
3
4
577
|
19.
785 – 700 =
2
3
4
85
|
20.
146 + 69 =
3
2
4
215
|