Erbij en eraf tot 1.000
In de mix
|
1.
10 + 37 =
2
47
|
2.
424 – 137 =
287
2
|
3.
634 – 193 =
441
2
|
4.
135 – 20 =
115
2
|
|
5.
595 – 492 =
103
2
|
6.
684 – 619 =
2
65
|
7.
460 + 268 =
728
2
|
8.
25 – 5 =
2
20
|
|
9.
965 + 6 =
971
2
|
10.
918 + 57 =
975
2
|
11.
143 – 66 =
77
2
|
12.
677 + 317 =
2
994
|
|
13.
495 + 491 =
2
986
|
14.
100 + 773 =
2
873
|
15.
10 – 0 =
10
1
|
16.
194 – 58 =
2
136
|
|
17.
100 + 775 =
2
875
|
18.
310 – 34 =
276
2
|
19.
819 + 71 =
890
2
|
20.
889 + 86 =
975
2
|