Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
643 + 106 =
2
749
|
2.
305 + 580 =
2
885
|
3.
620 – 97 =
523
2
|
4.
735 – 446 =
289
2
|
|
5.
349 – 160 =
189
2
|
6.
115 – 42 =
73
2
|
7.
877 – 386 =
2
491
|
8.
405 – 125 =
280
2
|
|
9.
274 – 222 =
2
52
|
10.
703 – 546 =
2
157
|
11.
66 – 20 =
46
2
|
12.
31 – 0 =
31
2
|
|
13.
944 – 294 =
650
2
|
14.
287 + 308 =
595
2
|
15.
607 – 566 =
41
2
|
16.
698 + 49 =
2
747
|
|
17.
138 + 167 =
2
305
|
18.
122 – 19 =
2
103
|
19.
683 – 525 =
158
2
|
20.
323 + 290 =
613
2
|