Erbij en eraf tot 1.000
In de mix
|
1.
481 + 74 =
555
2
|
2.
631 – 612 =
19
2
|
3.
304 + 134 =
438
2
|
4.
911 – 434 =
2
477
|
|
5.
494 – 91 =
403
2
|
6.
699 – 312 =
387
2
|
7.
162 – 98 =
2
64
|
8.
341 + 151 =
2
492
|
|
9.
444 – 178 =
2
266
|
10.
417 – 172 =
2
245
|
11.
784 – 726 =
58
2
|
12.
689 + 90 =
2
779
|
|
13.
941 – 731 =
2
210
|
14.
797 – 712 =
2
85
|
15.
133 – 83 =
50
2
|
16.
50 + 114 =
164
2
|
|
17.
406 + 219 =
625
2
|
18.
477 + 403 =
880
2
|
19.
161 + 109 =
2
270
|
20.
699 + 216 =
2
915
|