Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
294 – 89 =
205
4
3
2
|
2.
106 – 94 =
2
1
12
3
|
3.
290 + 401 =
3
4
691
2
|
4.
229 + 307 =
2
3
536
4
|
|
5.
875 + 89 =
2
4
3
964
|
6.
304 – 211 =
93
3
4
2
|
7.
718 + 143 =
861
2
3
4
|
8.
125 + 464 =
3
4
589
2
|
|
9.
470 – 382 =
4
3
2
88
|
10.
976 – 38 =
4
938
3
2
|
11.
941 + 15 =
3
4
2
956
|
12.
860 – 161 =
3
2
699
4
|
|
13.
921 – 273 =
648
2
3
4
|
14.
698 – 232 =
2
466
4
3
|
15.
855 + 52 =
2
3
4
907
|
16.
944 – 278 =
666
2
4
3
|
|
17.
405 + 157 =
3
4
562
2
|
18.
962 – 945 =
3
2
17
4
|
19.
815 – 631 =
184
4
3
2
|
20.
617 + 50 =
667
3
4
2
|