Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
808 – 254 =
2
554
|
2.
907 + 78 =
985
2
|
3.
811 + 85 =
896
2
|
4.
1 + 255 =
2
256
|
|
5.
770 – 107 =
2
663
|
6.
821 + 13 =
834
2
|
7.
928 – 509 =
419
2
|
8.
503 – 295 =
2
208
|
|
9.
439 – 29 =
2
410
|
10.
56 + 439 =
495
2
|
11.
894 + 73 =
2
967
|
12.
459 – 144 =
2
315
|
|
13.
579 + 299 =
878
2
|
14.
199 – 104 =
2
95
|
15.
336 – 34 =
2
302
|
16.
156 + 192 =
2
348
|
|
17.
471 – 145 =
326
2
|
18.
347 + 158 =
505
2
|
19.
417 – 66 =
351
2
|
20.
163 – 40 =
2
123
|