Erbij en eraf tot 1.000
In de mix
|
1.
802 – 527 =
2
275
|
2.
16 – 13 =
1
3
|
3.
681 + 223 =
904
2
|
4.
96 + 893 =
989
2
|
|
5.
893 – 309 =
2
584
|
6.
455 + 72 =
2
527
|
7.
2 – 1 =
1
2
|
8.
233 – 71 =
162
2
|
|
9.
374 + 362 =
2
736
|
10.
858 – 317 =
2
541
|
11.
850 + 116 =
2
966
|
12.
182 – 88 =
2
94
|
|
13.
112 – 97 =
1
15
|
14.
606 + 353 =
2
959
|
15.
558 + 321 =
2
879
|
16.
47 – 39 =
8
1
|
|
17.
989 + 4 =
993
2
|
18.
394 – 78 =
316
2
|
19.
970 + 7 =
2
977
|
20.
953 – 336 =
2
617
|