Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
934 – 79 =
855
4
3
2
|
2.
435 – 293 =
142
4
2
3
|
3.
903 + 24 =
3
2
4
927
|
4.
304 + 671 =
4
975
2
3
|
|
5.
950 + 31 =
2
981
3
4
|
6.
553 + 445 =
3
4
998
2
|
7.
347 – 327 =
3
20
2
4
|
8.
63 + 514 =
577
4
3
2
|
|
9.
422 + 468 =
2
4
3
890
|
10.
172 – 39 =
133
4
3
2
|
11.
832 + 43 =
875
2
4
3
|
12.
216 + 779 =
4
2
995
3
|
|
13.
599 + 161 =
760
3
2
4
|
14.
224 – 190 =
3
4
2
34
|
15.
104 + 26 =
2
130
4
3
|
16.
7 – 3 =
2
1
3
4
|
|
17.
722 + 133 =
3
2
855
4
|
18.
933 + 58 =
4
991
2
3
|
19.
379 + 373 =
2
3
752
4
|
20.
371 – 320 =
3
2
51
4
|