Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
553 – 300 =
253
2
|
2.
661 + 282 =
2
943
|
3.
630 + 109 =
2
739
|
4.
858 – 308 =
2
550
|
|
5.
625 + 12 =
2
637
|
6.
271 – 230 =
41
2
|
7.
513 – 73 =
2
440
|
8.
378 + 196 =
574
2
|
|
9.
987 + 3 =
990
2
|
10.
988 – 281 =
707
2
|
11.
650 – 140 =
510
2
|
12.
551 – 113 =
2
438
|
|
13.
13 – 1 =
12
1
|
14.
545 – 486 =
59
2
|
15.
252 + 555 =
2
807
|
16.
358 – 301 =
57
2
|
|
17.
180 – 160 =
20
2
|
18.
79 + 585 =
664
2
|
19.
626 – 584 =
42
2
|
20.
305 – 146 =
2
159
|