Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
685 + 143 =
2
828
|
2.
469 + 225 =
2
694
|
3.
931 – 106 =
825
2
|
4.
843 + 52 =
895
2
|
|
5.
297 + 303 =
2
600
|
6.
794 – 777 =
2
17
|
7.
636 – 68 =
2
568
|
8.
906 + 3 =
909
2
|
|
9.
510 – 478 =
32
2
|
10.
88 – 24 =
64
2
|
11.
774 – 379 =
2
395
|
12.
937 + 37 =
2
974
|
|
13.
317 + 551 =
2
868
|
14.
62 – 40 =
22
2
|
15.
975 – 146 =
829
2
|
16.
5 + 959 =
964
2
|
|
17.
93 – 75 =
2
18
|
18.
220 – 139 =
2
81
|
19.
32 + 650 =
2
682
|
20.
891 – 381 =
2
510
|