Erbij en eraf tot 1.000
In de mix
|
1.
563 + 226 =
2
789
|
2.
632 + 296 =
2
928
|
3.
136 – 105 =
31
2
|
4.
190 – 32 =
2
158
|
|
5.
819 – 96 =
723
2
|
6.
638 + 128 =
2
766
|
7.
778 – 160 =
618
2
|
8.
10 – 10 =
2
0
|
|
9.
737 – 137 =
600
2
|
10.
794 + 175 =
2
969
|
11.
687 + 201 =
2
888
|
12.
450 – 225 =
225
2
|
|
13.
793 + 160 =
2
953
|
14.
38 – 21 =
17
2
|
15.
289 + 499 =
2
788
|
16.
275 + 485 =
2
760
|
|
17.
391 – 195 =
196
2
|
18.
628 + 359 =
2
987
|
19.
13 – 13 =
2
0
|
20.
305 – 246 =
59
2
|