Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
363 + 72 =
2
4
435
3
|
2.
784 + 163 =
4
947
3
2
|
3.
929 – 123 =
806
3
2
4
|
4.
687 – 614 =
3
4
2
73
|
|
5.
485 – 317 =
2
4
168
3
|
6.
975 – 620 =
4
355
3
2
|
7.
876 + 83 =
3
959
4
2
|
8.
951 – 503 =
448
2
3
4
|
|
9.
859 – 669 =
3
2
190
4
|
10.
676 + 11 =
3
2
687
4
|
11.
104 – 27 =
4
3
2
77
|
12.
953 + 9 =
3
2
962
4
|
|
13.
432 – 238 =
194
2
4
3
|
14.
290 – 278 =
2
12
3
1
|
15.
614 + 77 =
3
691
4
2
|
16.
831 – 576 =
255
4
3
2
|
|
17.
236 – 60 =
176
3
2
4
|
18.
308 + 37 =
3
4
2
345
|
19.
890 – 171 =
3
719
2
4
|
20.
115 + 650 =
3
765
4
2
|