Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
90 + 614 =
704
2
|
2.
555 – 130 =
425
2
|
3.
194 – 71 =
123
2
|
4.
754 + 226 =
980
2
|
|
5.
444 – 164 =
2
280
|
6.
833 + 75 =
908
2
|
7.
402 – 205 =
197
2
|
8.
20 – 8 =
1
12
|
|
9.
952 + 9 =
961
2
|
10.
930 – 343 =
587
2
|
11.
303 + 233 =
536
2
|
12.
573 + 201 =
2
774
|
|
13.
456 – 328 =
128
2
|
14.
240 + 57 =
2
297
|
15.
232 + 351 =
583
2
|
16.
984 + 11 =
995
2
|
|
17.
689 – 115 =
574
2
|
18.
205 + 352 =
557
2
|
19.
807 + 193 =
1000
2
|
20.
240 – 80 =
160
2
|