Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
592 + 243 =
3
835
2
4
|
2.
252 – 142 =
4
3
110
2
|
3.
640 – 47 =
4
593
3
2
|
4.
704 + 128 =
3
4
832
2
|
|
5.
989 – 19 =
4
970
2
3
|
6.
401 – 318 =
4
3
83
2
|
7.
191 – 36 =
155
4
2
3
|
8.
924 + 56 =
3
980
2
4
|
|
9.
81 – 12 =
4
2
3
69
|
10.
911 + 49 =
960
4
2
3
|
11.
391 – 45 =
4
346
3
2
|
12.
149 + 186 =
335
2
4
3
|
|
13.
825 + 91 =
3
4
2
916
|
14.
226 – 222 =
2
1
4
3
|
15.
997 – 850 =
3
4
147
2
|
16.
667 – 658 =
9
1
2
3
|
|
17.
408 – 33 =
3
4
375
2
|
18.
95 + 15 =
4
110
2
3
|
19.
800 + 184 =
3
984
2
4
|
20.
833 + 102 =
935
4
3
2
|