Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
904 – 855 =
49
2
|
2.
673 + 185 =
2
858
|
3.
583 – 410 =
2
173
|
4.
804 – 489 =
315
2
|
|
5.
789 – 466 =
323
2
|
6.
795 + 31 =
2
826
|
7.
90 – 89 =
2
1
|
8.
998 + 0 =
2
998
|
|
9.
26 + 94 =
2
120
|
10.
590 + 30 =
620
2
|
11.
763 + 54 =
2
817
|
12.
784 – 496 =
2
288
|
|
13.
147 – 124 =
2
23
|
14.
206 – 99 =
107
2
|
15.
336 + 606 =
2
942
|
16.
836 + 27 =
2
863
|
|
17.
893 – 249 =
644
2
|
18.
202 – 202 =
0
2
|
19.
124 – 6 =
118
2
|
20.
80 – 4 =
2
76
|