Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	451	+		=	830
2.	694	+		=	1.049
3.	778	+		=	1.335
4.	880	+		=	1.321
5.	687	+		=	1.046
6.	460	+		=	749
7.	794	+		=	1.585
8.	466	+		=	903
9.	891	+		=	1.348
10.	903	+		=	1.773

Oefening 2
1.	704	+		=	1.145
2.	854	+		=	1.598
3.	729	+		=	1.161
4.	441	+		=	766
5.	808	+		=	1.593
6.	776	+		=	1.262
7.	875	+		=	1.609
8.	986	+		=	1.410
9.	690	+		=	948
10.	895	+		=	1.369

Oefening 3
1.	770	+		=	1.212
2.	706	+		=	1.254
3.	996	+		=	1.657
4.	995	+		=	1.914
5.	442	+		=	836
6.	830	+		=	1.118
7.	956	+		=	1.238
8.	620	+		=	1.117
9.	629	+		=	1.015
10.	735	+		=	1.397

Oefening 4
1.	894	+		=	1.248
2.	751	+		=	1.083
3.	775	+		=	1.001
4.	874	+		=	1.719
5.	989	+		=	1.268
6.	923	+		=	1.666
7.	710	+		=	1.042
8.	994	+		=	1.680
9.	596	+		=	816
10.	779	+		=	1.488

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	451	+	379	=	830
2.	694	+	355	=	1.049
3.	778	+	557	=	1.335
4.	880	+	441	=	1.321
5.	687	+	359	=	1.046
6.	460	+	289	=	749
7.	794	+	791	=	1.585
8.	466	+	437	=	903
9.	891	+	457	=	1.348
10.	903	+	870	=	1.773

Oefening 2
1.	704	+	441	=	1.145
2.	854	+	744	=	1.598
3.	729	+	432	=	1.161
4.	441	+	325	=	766
5.	808	+	785	=	1.593
6.	776	+	486	=	1.262
7.	875	+	734	=	1.609
8.	986	+	424	=	1.410
9.	690	+	258	=	948
10.	895	+	474	=	1.369

Oefening 3
1.	770	+	442	=	1.212
2.	706	+	548	=	1.254
3.	996	+	661	=	1.657
4.	995	+	919	=	1.914
5.	442	+	394	=	836
6.	830	+	288	=	1.118
7.	956	+	282	=	1.238
8.	620	+	497	=	1.117
9.	629	+	386	=	1.015
10.	735	+	662	=	1.397

Oefening 4
1.	894	+	354	=	1.248
2.	751	+	332	=	1.083
3.	775	+	226	=	1.001
4.	874	+	845	=	1.719
5.	989	+	279	=	1.268
6.	923	+	743	=	1.666
7.	710	+	332	=	1.042
8.	994	+	686	=	1.680
9.	596	+	220	=	816
10.	779	+	709	=	1.488