Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
474 + 367 =
4
2
841
3
|
2.
990 – 568 =
422
4
2
3
|
3.
82 – 76 =
3
6
1
2
|
4.
346 – 157 =
189
3
4
2
|
|
5.
119 – 116 =
4
3
2
1
|
6.
827 – 620 =
2
3
207
4
|
7.
237 – 59 =
4
3
178
2
|
8.
815 – 238 =
2
3
4
577
|
|
9.
782 + 1 =
3
2
783
4
|
10.
402 – 3 =
2
399
3
4
|
11.
297 – 114 =
2
183
3
4
|
12.
707 – 413 =
2
3
4
294
|
|
13.
321 – 105 =
3
4
216
2
|
14.
137 – 46 =
2
91
3
4
|
15.
121 – 40 =
3
4
2
81
|
16.
824 – 679 =
4
145
2
3
|
|
17.
609 – 12 =
4
2
597
3
|
18.
822 + 66 =
888
4
2
3
|
19.
2 + 694 =
2
4
696
3
|
20.
684 + 60 =
4
3
744
2
|