Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
616 – 230 =
386
2
|
2.
946 – 590 =
356
2
|
3.
515 – 211 =
304
2
|
4.
123 + 877 =
1000
2
|
|
5.
484 – 1 =
2
483
|
6.
526 – 182 =
344
2
|
7.
687 – 52 =
2
635
|
8.
681 – 600 =
2
81
|
|
9.
278 – 158 =
2
120
|
10.
385 + 327 =
2
712
|
11.
267 + 731 =
2
998
|
12.
957 + 22 =
979
2
|
|
13.
268 + 143 =
2
411
|
14.
843 – 718 =
2
125
|
15.
261 – 128 =
2
133
|
16.
816 – 651 =
165
2
|
|
17.
58 – 34 =
2
24
|
18.
475 – 38 =
2
437
|
19.
202 – 36 =
2
166
|
20.
516 + 240 =
756
2
|