Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
804 – 789 =
15
1
3
2
|
2.
484 + 240 =
724
3
4
2
|
3.
50 – 42 =
8
2
3
1
|
4.
655 – 44 =
4
611
3
2
|
|
5.
74 + 10 =
3
84
2
4
|
6.
222 – 60 =
162
4
3
2
|
7.
818 – 475 =
2
343
3
4
|
8.
548 + 241 =
2
4
3
789
|
|
9.
379 – 318 =
61
4
2
3
|
10.
409 + 98 =
2
4
3
507
|
11.
323 – 48 =
2
3
275
4
|
12.
125 – 117 =
8
2
3
1
|
|
13.
825 + 157 =
3
982
2
4
|
14.
1 – 1 =
3
2
0
4
|
15.
859 + 2 =
861
2
3
4
|
16.
471 + 266 =
2
737
3
4
|
|
17.
203 + 611 =
4
2
3
814
|
18.
571 – 543 =
2
28
3
4
|
19.
143 + 728 =
4
871
2
3
|
20.
622 – 448 =
174
4
2
3
|