Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
275 – 76 =
4
199
3
2
|
2.
114 + 542 =
656
2
4
3
|
3.
556 – 476 =
80
4
3
2
|
4.
508 + 136 =
644
3
2
4
|
|
5.
522 – 366 =
3
4
2
156
|
6.
887 – 454 =
3
2
4
433
|
7.
961 + 1 =
962
3
2
4
|
8.
945 + 31 =
2
3
4
976
|
|
9.
564 – 322 =
242
3
4
2
|
10.
214 – 160 =
2
3
54
4
|
11.
79 – 69 =
1
2
3
10
|
12.
62 + 94 =
156
2
3
4
|
|
13.
63 + 235 =
4
2
298
3
|
14.
529 + 312 =
841
4
2
3
|
15.
891 – 657 =
4
3
234
2
|
16.
96 – 48 =
2
3
48
4
|
|
17.
15 + 844 =
4
859
2
3
|
18.
893 + 81 =
3
974
2
4
|
19.
821 + 157 =
978
4
3
2
|
20.
238 – 85 =
4
2
153
3
|