Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
380 – 224 =
3
4
156
2
|
2.
981 + 17 =
4
3
998
2
|
3.
843 + 0 =
3
843
4
2
|
4.
733 + 118 =
4
2
851
3
|
|
5.
563 – 132 =
2
3
4
431
|
6.
648 + 237 =
4
2
3
885
|
7.
1 – 1 =
3
4
0
2
|
8.
245 + 131 =
4
376
2
3
|
|
9.
150 + 727 =
877
3
4
2
|
10.
750 + 15 =
765
2
3
4
|
11.
889 + 10 =
4
3
899
2
|
12.
213 + 213 =
2
4
426
3
|
|
13.
503 – 407 =
3
2
4
96
|
14.
669 + 58 =
2
4
727
3
|
15.
752 – 689 =
3
2
63
4
|
16.
552 + 191 =
4
2
743
3
|
|
17.
882 – 675 =
2
3
4
207
|
18.
757 – 541 =
216
4
2
3
|
19.
707 + 97 =
804
2
4
3
|
20.
976 + 24 =
4
2
3
1000
|