Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
218 – 139 =
2
79
|
2.
502 + 107 =
609
2
|
3.
997 + 3 =
2
1000
|
4.
777 + 197 =
974
2
|
|
5.
312 + 112 =
424
2
|
6.
430 – 396 =
34
2
|
7.
403 – 333 =
2
70
|
8.
276 – 93 =
183
2
|
|
9.
303 – 33 =
2
270
|
10.
779 + 37 =
2
816
|
11.
400 + 208 =
2
608
|
12.
877 – 356 =
521
2
|
|
13.
977 – 699 =
278
2
|
14.
147 – 132 =
1
15
|
15.
531 + 9 =
2
540
|
16.
643 – 327 =
316
2
|
|
17.
979 + 9 =
988
2
|
18.
404 + 221 =
625
2
|
19.
347 + 322 =
669
2
|
20.
238 – 131 =
107
2
|