Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
119 + 577 =
696
2
|
2.
805 – 393 =
2
412
|
3.
317 – 182 =
135
2
|
4.
901 + 2 =
903
2
|
|
5.
724 + 244 =
968
2
|
6.
503 + 267 =
2
770
|
7.
130 – 22 =
2
108
|
8.
157 + 823 =
980
2
|
|
9.
305 – 232 =
73
2
|
10.
65 + 490 =
2
555
|
11.
321 + 318 =
639
2
|
12.
557 – 62 =
495
2
|
|
13.
871 + 108 =
2
979
|
14.
6 + 73 =
79
2
|
15.
757 – 489 =
268
2
|
16.
83 – 80 =
1
3
|
|
17.
522 – 49 =
2
473
|
18.
768 – 333 =
435
2
|
19.
574 + 258 =
832
2
|
20.
553 – 412 =
2
141
|