Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
869 + 5 =
3
4
874
2
|
2.
346 + 347 =
2
693
4
3
|
3.
206 + 124 =
330
3
2
4
|
4.
23 – 13 =
1
2
3
10
|
|
5.
452 – 407 =
45
3
4
2
|
6.
757 – 494 =
263
3
2
4
|
7.
143 – 7 =
4
3
2
136
|
8.
302 – 148 =
2
3
4
154
|
|
9.
473 – 32 =
441
2
4
3
|
10.
243 – 101 =
3
4
2
142
|
11.
275 + 290 =
3
565
2
4
|
12.
178 – 51 =
3
4
2
127
|
|
13.
622 + 273 =
2
4
895
3
|
14.
456 – 393 =
3
63
4
2
|
15.
607 – 272 =
4
2
3
335
|
16.
697 – 389 =
4
3
308
2
|
|
17.
545 – 289 =
4
2
256
3
|
18.
739 + 7 =
3
746
4
2
|
19.
25 + 809 =
2
4
3
834
|
20.
487 + 115 =
602
4
3
2
|