Erbij en eraf tot 1.000
In de mix
|
1.
988 – 307 =
681
2
|
2.
142 + 548 =
690
2
|
3.
435 – 78 =
357
2
|
4.
391 + 142 =
533
2
|
|
5.
343 – 268 =
2
75
|
6.
367 – 263 =
2
104
|
7.
273 – 244 =
29
2
|
8.
871 + 13 =
884
2
|
|
9.
421 + 249 =
2
670
|
10.
375 + 611 =
986
2
|
11.
643 + 23 =
2
666
|
12.
884 + 75 =
2
959
|
|
13.
307 + 559 =
2
866
|
14.
167 + 371 =
538
2
|
15.
499 – 138 =
361
2
|
16.
165 – 109 =
56
2
|
|
17.
350 + 417 =
2
767
|
18.
752 + 97 =
849
2
|
19.
580 + 288 =
2
868
|
20.
858 – 716 =
2
142
|