Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
36 – 30 =
6
1
|
2.
616 + 23 =
639
2
|
3.
778 – 505 =
273
2
|
4.
705 – 689 =
16
2
|
|
5.
261 – 243 =
2
18
|
6.
550 + 387 =
2
937
|
7.
364 – 317 =
2
47
|
8.
454 – 205 =
2
249
|
|
9.
176 – 0 =
176
2
|
10.
673 + 135 =
808
2
|
11.
671 – 261 =
410
2
|
12.
73 – 18 =
55
2
|
|
13.
115 – 47 =
68
2
|
14.
999 + 1 =
2
1000
|
15.
108 + 54 =
162
2
|
16.
881 – 547 =
2
334
|
|
17.
562 – 386 =
176
2
|
18.
655 + 164 =
2
819
|
19.
859 – 520 =
339
2
|
20.
930 – 434 =
2
496
|