Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
59 – 15 =
44
2
|
2.
130 + 480 =
2
610
|
3.
899 – 304 =
595
2
|
4.
728 – 192 =
536
2
|
|
5.
73 – 66 =
7
1
|
6.
799 – 457 =
342
2
|
7.
656 – 314 =
342
2
|
8.
962 + 29 =
2
991
|
|
9.
70 – 66 =
1
4
|
10.
930 + 58 =
2
988
|
11.
298 – 69 =
2
229
|
12.
21 + 91 =
112
2
|
|
13.
469 + 94 =
2
563
|
14.
360 – 241 =
119
2
|
15.
203 + 195 =
398
2
|
16.
50 – 22 =
28
2
|
|
17.
348 + 102 =
450
2
|
18.
463 – 419 =
44
2
|
19.
468 + 272 =
740
2
|
20.
945 – 679 =
2
266
|