Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
182 – 174 =
1
8
|
2.
555 + 271 =
2
826
|
3.
126 – 76 =
50
2
|
4.
695 – 625 =
2
70
|
|
5.
119 + 707 =
826
2
|
6.
904 – 17 =
2
887
|
7.
287 – 191 =
2
96
|
8.
778 + 91 =
2
869
|
|
9.
696 + 140 =
2
836
|
10.
832 – 44 =
2
788
|
11.
439 – 330 =
109
2
|
12.
304 + 561 =
865
2
|
|
13.
212 + 419 =
631
2
|
14.
922 – 893 =
2
29
|
15.
832 + 11 =
2
843
|
16.
666 – 421 =
2
245
|
|
17.
958 – 564 =
394
2
|
18.
986 + 7 =
2
993
|
19.
251 + 516 =
2
767
|
20.
942 – 22 =
920
2
|