Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	705	+		=	1.241
2.	810	+		=	1.475
3.	570	+		=	852
4.	977	+		=	1.690
5.	989	+		=	1.354
6.	452	+		=	811
7.	771	+		=	1.472
8.	620	+		=	861
9.	515	+		=	1.021
10.	977	+		=	1.433

Oefening 2
1.	980	+		=	1.666
2.	722	+		=	1.170
3.	804	+		=	1.346
4.	527	+		=	951
5.	961	+		=	1.708
6.	640	+		=	1.257
7.	839	+		=	1.433
8.	687	+		=	893
9.	891	+		=	1.620
10.	811	+		=	1.097

Oefening 3
1.	577	+		=	1.147
2.	663	+		=	966
3.	477	+		=	728
4.	715	+		=	1.188
5.	585	+		=	929
6.	450	+		=	898
7.	514	+		=	727
8.	622	+		=	1.168
9.	961	+		=	1.235
10.	818	+		=	1.423

Oefening 4
1.	680	+		=	898
2.	810	+		=	1.314
3.	922	+		=	1.444
4.	852	+		=	1.082
5.	988	+		=	1.257
6.	275	+		=	541
7.	945	+		=	1.422
8.	762	+		=	1.067
9.	656	+		=	956
10.	909	+		=	1.463

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	705	+	536	=	1.241
2.	810	+	665	=	1.475
3.	570	+	282	=	852
4.	977	+	713	=	1.690
5.	989	+	365	=	1.354
6.	452	+	359	=	811
7.	771	+	701	=	1.472
8.	620	+	241	=	861
9.	515	+	506	=	1.021
10.	977	+	456	=	1.433

Oefening 2
1.	980	+	686	=	1.666
2.	722	+	448	=	1.170
3.	804	+	542	=	1.346
4.	527	+	424	=	951
5.	961	+	747	=	1.708
6.	640	+	617	=	1.257
7.	839	+	594	=	1.433
8.	687	+	206	=	893
9.	891	+	729	=	1.620
10.	811	+	286	=	1.097

Oefening 3
1.	577	+	570	=	1.147
2.	663	+	303	=	966
3.	477	+	251	=	728
4.	715	+	473	=	1.188
5.	585	+	344	=	929
6.	450	+	448	=	898
7.	514	+	213	=	727
8.	622	+	546	=	1.168
9.	961	+	274	=	1.235
10.	818	+	605	=	1.423

Oefening 4
1.	680	+	218	=	898
2.	810	+	504	=	1.314
3.	922	+	522	=	1.444
4.	852	+	230	=	1.082
5.	988	+	269	=	1.257
6.	275	+	266	=	541
7.	945	+	477	=	1.422
8.	762	+	305	=	1.067
9.	656	+	300	=	956
10.	909	+	554	=	1.463