Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
78 – 56 =
2
22
|
2.
590 + 72 =
2
662
|
3.
659 – 150 =
2
509
|
4.
738 + 219 =
957
2
|
|
5.
651 + 262 =
2
913
|
6.
671 + 150 =
2
821
|
7.
299 + 250 =
2
549
|
8.
306 – 207 =
99
2
|
|
9.
114 + 479 =
593
2
|
10.
460 – 26 =
434
2
|
11.
696 – 504 =
2
192
|
12.
40 + 778 =
818
2
|
|
13.
372 + 363 =
735
2
|
14.
267 + 79 =
2
346
|
15.
97 – 0 =
2
97
|
16.
154 – 16 =
2
138
|
|
17.
99 – 16 =
2
83
|
18.
294 – 38 =
256
2
|
19.
962 – 360 =
2
602
|
20.
54 + 294 =
348
2
|