Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	569	+		=	851
2.	660	+		=	1.257
3.	381	+		=	691
4.	433	+		=	717
5.	521	+		=	949
6.	810	+		=	1.300
7.	397	+		=	739
8.	883	+		=	1.667
9.	462	+		=	734
10.	867	+		=	1.206

Oefening 2
1.	597	+		=	809
2.	938	+		=	1.675
3.	271	+		=	519
4.	654	+		=	1.107
5.	505	+		=	771
6.	885	+		=	1.543
7.	946	+		=	1.639
8.	905	+		=	1.745
9.	929	+		=	1.519
10.	527	+		=	1.045

Oefening 3
1.	888	+		=	1.390
2.	730	+		=	1.334
3.	919	+		=	1.728
4.	798	+		=	1.122
5.	920	+		=	1.771
6.	539	+		=	990
7.	909	+		=	1.739
8.	950	+		=	1.495
9.	448	+		=	689
10.	917	+		=	1.656

Oefening 4
1.	408	+		=	647
2.	849	+		=	1.526
3.	442	+		=	746
4.	907	+		=	1.725
5.	445	+		=	760
6.	664	+		=	1.199
7.	915	+		=	1.252
8.	921	+		=	1.513
9.	426	+		=	759
10.	487	+		=	753

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	569	+	282	=	851
2.	660	+	597	=	1.257
3.	381	+	310	=	691
4.	433	+	284	=	717
5.	521	+	428	=	949
6.	810	+	490	=	1.300
7.	397	+	342	=	739
8.	883	+	784	=	1.667
9.	462	+	272	=	734
10.	867	+	339	=	1.206

Oefening 2
1.	597	+	212	=	809
2.	938	+	737	=	1.675
3.	271	+	248	=	519
4.	654	+	453	=	1.107
5.	505	+	266	=	771
6.	885	+	658	=	1.543
7.	946	+	693	=	1.639
8.	905	+	840	=	1.745
9.	929	+	590	=	1.519
10.	527	+	518	=	1.045

Oefening 3
1.	888	+	502	=	1.390
2.	730	+	604	=	1.334
3.	919	+	809	=	1.728
4.	798	+	324	=	1.122
5.	920	+	851	=	1.771
6.	539	+	451	=	990
7.	909	+	830	=	1.739
8.	950	+	545	=	1.495
9.	448	+	241	=	689
10.	917	+	739	=	1.656

Oefening 4
1.	408	+	239	=	647
2.	849	+	677	=	1.526
3.	442	+	304	=	746
4.	907	+	818	=	1.725
5.	445	+	315	=	760
6.	664	+	535	=	1.199
7.	915	+	337	=	1.252
8.	921	+	592	=	1.513
9.	426	+	333	=	759
10.	487	+	266	=	753