Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
149 – 42 =
2
4
3
107
|
2.
930 – 525 =
2
405
3
4
|
3.
728 + 193 =
4
3
2
921
|
4.
80 – 8 =
2
72
3
4
|
|
5.
83 + 339 =
422
4
3
2
|
6.
847 + 136 =
4
3
2
983
|
7.
216 + 527 =
743
3
2
4
|
8.
258 + 123 =
381
4
3
2
|
|
9.
815 + 115 =
4
3
2
930
|
10.
876 – 374 =
4
2
3
502
|
11.
660 + 138 =
3
798
4
2
|
12.
814 + 160 =
3
2
974
4
|
|
13.
339 + 286 =
2
4
3
625
|
14.
183 – 131 =
2
3
4
52
|
15.
987 + 4 =
991
2
3
4
|
16.
106 + 324 =
430
2
4
3
|
|
17.
306 – 228 =
78
2
4
3
|
18.
571 + 198 =
3
4
769
2
|
19.
531 + 27 =
2
558
4
3
|
20.
748 – 358 =
390
3
2
4
|