Erbij en eraf tot 1.000
In de mix
|
1.
145 + 179 =
324
2
|
2.
955 + 13 =
2
968
|
3.
837 – 266 =
2
571
|
4.
284 + 681 =
2
965
|
|
5.
747 + 162 =
909
2
|
6.
231 + 364 =
595
2
|
7.
106 – 36 =
70
2
|
8.
21 – 7 =
14
1
|
|
9.
567 + 306 =
2
873
|
10.
351 + 198 =
2
549
|
11.
124 – 17 =
107
2
|
12.
729 + 228 =
2
957
|
|
13.
99 – 2 =
2
97
|
14.
514 – 468 =
2
46
|
15.
12 + 446 =
2
458
|
16.
857 – 534 =
2
323
|
|
17.
721 + 106 =
827
2
|
18.
284 + 600 =
2
884
|
19.
987 – 495 =
2
492
|
20.
511 – 108 =
2
403
|