Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
222 + 595 =
4
3
817
2
|
2.
749 – 137 =
4
3
612
2
|
3.
664 – 367 =
3
4
2
297
|
4.
680 – 634 =
46
2
4
3
|
|
5.
347 – 168 =
179
2
4
3
|
6.
367 – 258 =
4
109
2
3
|
7.
297 + 277 =
2
4
3
574
|
8.
635 – 427 =
2
208
4
3
|
|
9.
425 – 373 =
52
2
3
4
|
10.
532 – 158 =
4
374
3
2
|
11.
182 – 18 =
3
164
4
2
|
12.
789 – 584 =
4
3
2
205
|
|
13.
7 + 14 =
4
21
3
2
|
14.
455 + 408 =
4
3
2
863
|
15.
664 + 273 =
3
2
4
937
|
16.
719 – 220 =
499
3
2
4
|
|
17.
540 – 402 =
3
2
138
4
|
18.
90 + 167 =
3
257
2
4
|
19.
758 – 757 =
1
4
3
2
|
20.
595 + 159 =
4
754
2
3
|