Rekensommen met erbij en eraf tot 1.000

In de mix
1.
3 + 423 =
426
2
2.
447 + 502 =
2
949
3.
350 317 =
2
33
4.
985 + 6 =
2
991
5.
900 + 48 =
2
948
6.
677 199 =
2
478
7.
478 428 =
50
2
8.
475 120 =
2
355
9.
478 + 408 =
2
886
10.
208 119 =
2
89
11.
929 85 =
2
844
12.
192 170 =
2
22
13.
776 79 =
697
2
14.
467 + 98 =
565
2
15.
877 + 100 =
977
2
16.
350 + 640 =
990
2
17.
592 41 =
2
551
18.
160 135 =
25
2
19.
934 + 18 =
2
952
20.
86 + 384 =
470
2

Rekensommen met erbij en eraf tot 1.000
| ANTWOORDEN

In de mix
1.
3 + 423 =
426
2
2.
447 + 502 =
2
949
3.
350 317 =
2
33
4.
985 + 6 =
2
991
5.
900 + 48 =
2
948
6.
677 199 =
2
478
7.
478 428 =
50
2
8.
475 120 =
2
355
9.
478 + 408 =
2
886
10.
208 119 =
2
89
11.
929 85 =
2
844
12.
192 170 =
2
22
13.
776 79 =
697
2
14.
467 + 98 =
565
2
15.
877 + 100 =
977
2
16.
350 + 640 =
990
2
17.
592 41 =
2
551
18.
160 135 =
25
2
19.
934 + 18 =
2
952
20.
86 + 384 =
470
2