Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
80 + 97 =
2
177
|
2.
42 – 39 =
1
3
|
3.
45 – 14 =
2
31
|
4.
277 + 452 =
2
729
|
|
5.
132 + 628 =
760
2
|
6.
194 – 54 =
140
2
|
7.
510 – 321 =
2
189
|
8.
160 – 144 =
2
16
|
|
9.
474 – 134 =
2
340
|
10.
998 – 929 =
2
69
|
11.
784 – 57 =
2
727
|
12.
451 – 397 =
54
2
|
|
13.
832 + 2 =
2
834
|
14.
136 + 625 =
2
761
|
15.
83 + 424 =
507
2
|
16.
565 + 357 =
2
922
|
|
17.
746 – 736 =
1
10
|
18.
108 – 17 =
2
91
|
19.
241 – 21 =
2
220
|
20.
214 + 61 =
2
275
|