Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
839 – 476 =
2
363
|
2.
148 + 437 =
2
585
|
3.
158 – 111 =
2
47
|
4.
800 + 26 =
2
826
|
|
5.
261 – 125 =
136
2
|
6.
234 + 25 =
2
259
|
7.
86 – 65 =
2
21
|
8.
240 – 112 =
2
128
|
|
9.
624 + 233 =
857
2
|
10.
506 – 285 =
221
2
|
11.
128 – 79 =
2
49
|
12.
312 – 255 =
57
2
|
|
13.
399 – 318 =
81
2
|
14.
991 + 0 =
2
991
|
15.
345 + 187 =
532
2
|
16.
406 + 69 =
475
2
|
|
17.
801 + 92 =
893
2
|
18.
490 – 98 =
2
392
|
19.
366 + 395 =
761
2
|
20.
682 + 309 =
2
991
|