Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	551	+		=	772
2.	924	+		=	1.747
3.	774	+		=	1.013
4.	893	+		=	1.412
5.	823	+		=	1.565
6.	638	+		=	1.097
7.	608	+		=	1.089
8.	665	+		=	1.245
9.	578	+		=	911
10.	464	+		=	872

Oefening 2
1.	636	+		=	1.186
2.	978	+		=	1.467
3.	941	+		=	1.379
4.	645	+		=	989
5.	454	+		=	752
6.	770	+		=	1.513
7.	812	+		=	1.522
8.	431	+		=	667
9.	520	+		=	1.023
10.	929	+		=	1.444

Oefening 3
1.	856	+		=	1.430
2.	727	+		=	1.132
3.	637	+		=	1.138
4.	623	+		=	858
5.	393	+		=	701
6.	671	+		=	1.341
7.	592	+		=	1.091
8.	920	+		=	1.307
9.	400	+		=	730
10.	633	+		=	1.257

Oefening 4
1.	820	+		=	1.372
2.	658	+		=	1.131
3.	536	+		=	993
4.	980	+		=	1.856
5.	301	+		=	516
6.	687	+		=	1.301
7.	984	+		=	1.350
8.	996	+		=	1.655
9.	518	+		=	743
10.	660	+		=	1.273

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	551	+	221	=	772
2.	924	+	823	=	1.747
3.	774	+	239	=	1.013
4.	893	+	519	=	1.412
5.	823	+	742	=	1.565
6.	638	+	459	=	1.097
7.	608	+	481	=	1.089
8.	665	+	580	=	1.245
9.	578	+	333	=	911
10.	464	+	408	=	872

Oefening 2
1.	636	+	550	=	1.186
2.	978	+	489	=	1.467
3.	941	+	438	=	1.379
4.	645	+	344	=	989
5.	454	+	298	=	752
6.	770	+	743	=	1.513
7.	812	+	710	=	1.522
8.	431	+	236	=	667
9.	520	+	503	=	1.023
10.	929	+	515	=	1.444

Oefening 3
1.	856	+	574	=	1.430
2.	727	+	405	=	1.132
3.	637	+	501	=	1.138
4.	623	+	235	=	858
5.	393	+	308	=	701
6.	671	+	670	=	1.341
7.	592	+	499	=	1.091
8.	920	+	387	=	1.307
9.	400	+	330	=	730
10.	633	+	624	=	1.257

Oefening 4
1.	820	+	552	=	1.372
2.	658	+	473	=	1.131
3.	536	+	457	=	993
4.	980	+	876	=	1.856
5.	301	+	215	=	516
6.	687	+	614	=	1.301
7.	984	+	366	=	1.350
8.	996	+	659	=	1.655
9.	518	+	225	=	743
10.	660	+	613	=	1.273