Erbij en eraf tot 1.000
In de mix
|
1.
74 – 34 =
2
40
|
2.
701 – 434 =
267
2
|
3.
642 + 205 =
847
2
|
4.
785 + 18 =
2
803
|
|
5.
872 – 563 =
309
2
|
6.
586 – 475 =
2
111
|
7.
70 – 7 =
2
63
|
8.
91 – 80 =
1
11
|
|
9.
990 – 407 =
2
583
|
10.
263 + 442 =
2
705
|
11.
818 – 704 =
114
2
|
12.
221 – 63 =
158
2
|
|
13.
691 + 110 =
801
2
|
14.
77 – 56 =
2
21
|
15.
484 + 434 =
2
918
|
16.
475 – 140 =
2
335
|
|
17.
865 + 99 =
964
2
|
18.
367 – 290 =
2
77
|
19.
375 + 455 =
2
830
|
20.
331 – 128 =
203
2
|