Erbij en eraf tot 1.000
In de mix
|
1.
677 – 316 =
361
2
|
2.
427 + 461 =
2
888
|
3.
496 + 270 =
766
2
|
4.
169 – 105 =
64
2
|
|
5.
626 + 154 =
780
2
|
6.
440 – 278 =
2
162
|
7.
278 – 170 =
108
2
|
8.
517 + 344 =
2
861
|
|
9.
23 – 6 =
17
2
|
10.
173 – 164 =
1
9
|
11.
935 + 41 =
2
976
|
12.
951 + 33 =
2
984
|
|
13.
95 + 298 =
2
393
|
14.
80 – 10 =
2
70
|
15.
308 – 138 =
2
170
|
16.
264 – 48 =
216
2
|
|
17.
530 – 397 =
133
2
|
18.
858 – 731 =
127
2
|
19.
769 + 148 =
917
2
|
20.
376 + 50 =
2
426
|