Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
130 – 69 =
2
61
|
2.
694 + 11 =
2
705
|
3.
630 + 15 =
645
2
|
4.
93 + 505 =
598
2
|
|
5.
366 + 0 =
366
2
|
6.
421 + 128 =
2
549
|
7.
633 – 191 =
442
2
|
8.
430 + 146 =
576
2
|
|
9.
124 + 70 =
194
2
|
10.
754 + 23 =
777
2
|
11.
620 + 70 =
2
690
|
12.
972 + 12 =
984
2
|
|
13.
430 – 347 =
83
2
|
14.
920 + 68 =
988
2
|
15.
626 + 210 =
836
2
|
16.
26 – 3 =
23
2
|
|
17.
50 – 9 =
2
41
|
18.
467 – 361 =
2
106
|
19.
527 – 153 =
2
374
|
20.
130 – 114 =
2
16
|