Supersnelle erbijsommen en erafsommen tot 1.000

In de mix
1.
336 + 380 =
716
4
3
2
2.
927 + 5 =
932
4
3
2
3.
815 294 =
521
4
3
2
4.
928 + 64 =
3
2
4
992
5.
99 92 =
7
3
2
1
6.
861 + 56 =
3
917
4
2
7.
731 400 =
2
3
4
331
8.
161 109 =
3
52
4
2
9.
752 294 =
458
4
2
3
10.
164 115 =
4
3
49
2
11.
280 69 =
4
3
2
211
12.
244 179 =
2
65
3
4
13.
14 2 =
2
1
3
12
14.
917 555 =
4
2
362
3
15.
798 94 =
3
2
704
4
16.
607 600 =
3
2
7
1
17.
957 905 =
52
4
2
3
18.
251 + 103 =
354
4
2
3
19.
428 + 461 =
889
4
3
2
20.
982 72 =
910
3
4
2

Supersnelle erbijsommen en erafsommen tot 1.000
| ANTWOORDEN

In de mix
1.
336 + 380 =
716
4
3
2
2.
927 + 5 =
932
4
3
2
3.
815 294 =
521
4
3
2
4.
928 + 64 =
3
2
4
992
5.
99 92 =
7
3
2
1
6.
861 + 56 =
3
917
4
2
7.
731 400 =
2
3
4
331
8.
161 109 =
3
52
4
2
9.
752 294 =
458
4
2
3
10.
164 115 =
4
3
49
2
11.
280 69 =
4
3
2
211
12.
244 179 =
2
65
3
4
13.
14 2 =
2
1
3
12
14.
917 555 =
4
2
362
3
15.
798 94 =
3
2
704
4
16.
607 600 =
3
2
7
1
17.
957 905 =
52
4
2
3
18.
251 + 103 =
354
4
2
3
19.
428 + 461 =
889
4
3
2
20.
982 72 =
910
3
4
2