Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
325 – 219 =
2
106
|
2.
570 + 210 =
780
2
|
3.
29 + 142 =
2
171
|
4.
484 – 97 =
2
387
|
|
5.
681 – 110 =
571
2
|
6.
37 – 7 =
2
30
|
7.
407 + 183 =
2
590
|
8.
992 – 25 =
967
2
|
|
9.
362 – 113 =
2
249
|
10.
926 – 654 =
2
272
|
11.
310 – 145 =
2
165
|
12.
955 – 318 =
2
637
|
|
13.
14 + 665 =
2
679
|
14.
394 + 15 =
409
2
|
15.
693 – 59 =
634
2
|
16.
549 – 392 =
157
2
|
|
17.
283 – 237 =
46
2
|
18.
976 – 460 =
516
2
|
19.
245 – 151 =
94
2
|
20.
980 + 20 =
2
1000
|