Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
574 – 28 =
3
2
546
4
|
2.
950 + 35 =
4
3
985
2
|
3.
243 + 562 =
3
2
4
805
|
4.
31 + 927 =
4
3
958
2
|
|
5.
965 + 22 =
4
3
2
987
|
6.
91 + 347 =
3
2
438
4
|
7.
380 + 249 =
629
3
4
2
|
8.
878 – 282 =
4
596
2
3
|
|
9.
581 + 358 =
4
2
939
3
|
10.
242 – 186 =
4
56
3
2
|
11.
226 + 515 =
2
4
3
741
|
12.
780 + 138 =
2
918
3
4
|
|
13.
3 – 0 =
3
4
2
1
|
14.
580 – 138 =
3
4
2
442
|
15.
498 – 272 =
3
2
4
226
|
16.
545 + 421 =
2
3
966
4
|
|
17.
297 – 65 =
2
4
232
3
|
18.
322 – 272 =
50
4
2
3
|
19.
818 + 166 =
984
2
4
3
|
20.
147 + 432 =
579
2
3
4
|