Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
784 – 523 =
261
2
|
2.
184 – 107 =
2
77
|
3.
636 – 78 =
2
558
|
4.
796 + 77 =
2
873
|
|
5.
945 – 887 =
58
2
|
6.
594 + 253 =
2
847
|
7.
642 – 200 =
442
2
|
8.
991 – 730 =
2
261
|
|
9.
870 – 380 =
2
490
|
10.
568 + 140 =
2
708
|
11.
608 – 460 =
2
148
|
12.
793 + 80 =
2
873
|
|
13.
443 – 50 =
2
393
|
14.
266 + 583 =
849
2
|
15.
690 + 77 =
2
767
|
16.
998 + 0 =
998
2
|
|
17.
965 – 83 =
882
2
|
18.
109 – 6 =
103
2
|
19.
263 + 176 =
439
2
|
20.
72 – 25 =
47
2
|