Erbij en eraf tot 1.000
In de mix
|
1.
370 – 347 =
2
23
|
2.
136 + 303 =
2
439
|
3.
768 – 649 =
2
119
|
4.
163 – 131 =
2
32
|
|
5.
846 + 19 =
2
865
|
6.
770 + 219 =
2
989
|
7.
128 + 870 =
998
2
|
8.
305 + 5 =
2
310
|
|
9.
17 – 6 =
11
1
|
10.
735 + 247 =
2
982
|
11.
522 + 66 =
588
2
|
12.
149 + 575 =
2
724
|
|
13.
877 – 877 =
2
0
|
14.
654 + 97 =
751
2
|
15.
472 – 147 =
325
2
|
16.
765 + 201 =
966
2
|
|
17.
398 – 102 =
2
296
|
18.
257 – 194 =
2
63
|
19.
618 – 209 =
409
2
|
20.
848 – 148 =
2
700
|