Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
509 + 211 =
3
720
4
2
|
2.
190 – 151 =
2
39
4
3
|
3.
74 + 785 =
3
4
2
859
|
4.
777 – 705 =
3
2
4
72
|
|
5.
121 – 36 =
2
85
3
4
|
6.
530 + 48 =
4
2
3
578
|
7.
357 – 147 =
3
2
4
210
|
8.
1 – 1 =
2
0
3
4
|
|
9.
301 + 217 =
4
3
518
2
|
10.
843 – 38 =
3
805
2
4
|
11.
206 + 365 =
4
3
2
571
|
12.
101 – 21 =
80
2
4
3
|
|
13.
148 – 57 =
4
2
91
3
|
14.
82 – 75 =
2
1
3
7
|
15.
51 – 20 =
3
4
31
2
|
16.
55 + 674 =
729
3
4
2
|
|
17.
950 – 386 =
2
564
4
3
|
18.
160 + 64 =
224
2
3
4
|
19.
142 + 672 =
3
4
2
814
|
20.
148 + 610 =
2
758
3
4
|