Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
981 – 419 =
562
4
3
2
|
2.
798 + 180 =
2
3
4
978
|
3.
428 – 130 =
3
4
298
2
|
4.
520 – 84 =
436
4
3
2
|
|
5.
221 + 197 =
4
2
418
3
|
6.
976 – 795 =
2
3
181
4
|
7.
621 – 179 =
2
3
442
4
|
8.
907 + 10 =
3
2
917
4
|
|
9.
376 + 355 =
2
3
4
731
|
10.
449 – 374 =
2
4
75
3
|
11.
716 + 139 =
855
3
2
4
|
12.
541 + 346 =
2
3
887
4
|
|
13.
420 – 357 =
63
3
2
4
|
14.
827 + 130 =
2
957
4
3
|
15.
694 + 113 =
807
4
2
3
|
16.
855 – 42 =
3
4
813
2
|
|
17.
888 – 471 =
3
417
4
2
|
18.
617 – 30 =
3
587
4
2
|
19.
988 – 937 =
3
4
51
2
|
20.
142 + 852 =
3
4
994
2
|