Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
421 + 438 =
859
2
|
2.
82 – 48 =
2
34
|
3.
500 – 425 =
2
75
|
4.
390 + 370 =
760
2
|
|
5.
781 + 107 =
2
888
|
6.
462 – 182 =
2
280
|
7.
750 – 13 =
737
2
|
8.
340 – 20 =
320
2
|
|
9.
13 – 13 =
2
0
|
10.
888 – 816 =
72
2
|
11.
804 + 11 =
2
815
|
12.
756 + 31 =
2
787
|
|
13.
487 + 98 =
2
585
|
14.
792 + 144 =
936
2
|
15.
273 + 207 =
480
2
|
16.
435 + 431 =
2
866
|
|
17.
763 + 12 =
775
2
|
18.
269 + 699 =
968
2
|
19.
806 + 151 =
957
2
|
20.
404 – 108 =
2
296
|