Erbij en eraf tot 1.000
In de mix
|
1.
839 + 155 =
2
994
|
2.
923 – 624 =
2
299
|
3.
949 – 821 =
128
2
|
4.
777 – 523 =
254
2
|
|
5.
17 – 0 =
2
17
|
6.
71 + 41 =
2
112
|
7.
76 – 27 =
49
2
|
8.
742 + 140 =
882
2
|
|
9.
920 – 127 =
2
793
|
10.
239 + 667 =
906
2
|
11.
139 – 20 =
119
2
|
12.
6 + 0 =
1
6
|
|
13.
924 + 15 =
2
939
|
14.
189 + 100 =
289
2
|
15.
344 – 266 =
2
78
|
16.
590 – 323 =
2
267
|
|
17.
735 – 606 =
129
2
|
18.
368 – 65 =
2
303
|
19.
683 + 150 =
833
2
|
20.
536 + 372 =
908
2
|