Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
479 – 290 =
189
2
|
2.
740 + 168 =
2
908
|
3.
730 – 678 =
2
52
|
4.
516 + 215 =
731
2
|
|
5.
399 + 331 =
2
730
|
6.
79 + 507 =
586
2
|
7.
894 – 208 =
2
686
|
8.
908 – 583 =
325
2
|
|
9.
158 – 145 =
13
1
|
10.
904 + 56 =
960
2
|
11.
175 – 90 =
2
85
|
12.
984 + 4 =
988
2
|
|
13.
254 + 308 =
2
562
|
14.
443 – 426 =
2
17
|
15.
619 – 4 =
2
615
|
16.
879 – 604 =
275
2
|
|
17.
825 + 165 =
990
2
|
18.
373 – 146 =
2
227
|
19.
701 + 198 =
899
2
|
20.
208 + 777 =
2
985
|