Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
532 – 111 =
4
2
421
3
|
2.
774 – 284 =
3
2
4
490
|
3.
762 – 500 =
3
2
262
4
|
4.
968 – 535 =
3
4
2
433
|
|
5.
765 – 434 =
3
4
2
331
|
6.
63 + 105 =
3
4
2
168
|
7.
219 – 133 =
4
2
3
86
|
8.
685 – 198 =
3
2
487
4
|
|
9.
47 – 29 =
4
18
3
2
|
10.
95 + 48 =
143
3
2
4
|
11.
585 + 284 =
4
2
869
3
|
12.
734 + 90 =
824
4
3
2
|
|
13.
298 + 615 =
2
3
4
913
|
14.
510 + 133 =
4
643
3
2
|
15.
751 + 9 =
4
3
2
760
|
16.
331 – 321 =
2
10
3
1
|
|
17.
616 + 129 =
745
3
4
2
|
18.
944 + 14 =
4
958
2
3
|
19.
628 + 59 =
687
3
4
2
|
20.
878 + 23 =
901
4
2
3
|