Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	881	+		=	1.645
2.	453	+		=	721
3.	714	+		=	1.018
4.	425	+		=	850
5.	807	+		=	1.433
6.	891	+		=	1.324
7.	634	+		=	1.177
8.	838	+		=	1.374
9.	718	+		=	1.260
10.	234	+		=	437

Oefening 2
1.	769	+		=	1.194
2.	784	+		=	1.333
3.	970	+		=	1.408
4.	285	+		=	537
5.	804	+		=	1.536
6.	868	+		=	1.111
7.	805	+		=	1.260
8.	807	+		=	1.220
9.	907	+		=	1.705
10.	514	+		=	757

Oefening 3
1.	805	+		=	1.303
2.	752	+		=	1.114
3.	797	+		=	1.487
4.	898	+		=	1.503
5.	932	+		=	1.213
6.	935	+		=	1.317
7.	306	+		=	607
8.	492	+		=	787
9.	888	+		=	1.597
10.	960	+		=	1.319

Oefening 4
1.	376	+		=	721
2.	520	+		=	926
3.	956	+		=	1.747
4.	843	+		=	1.629
5.	988	+		=	1.578
6.	822	+		=	1.042
7.	764	+		=	1.052
8.	834	+		=	1.624
9.	987	+		=	1.879
10.	683	+		=	1.068

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	881	+	764	=	1.645
2.	453	+	268	=	721
3.	714	+	304	=	1.018
4.	425	+	425	=	850
5.	807	+	626	=	1.433
6.	891	+	433	=	1.324
7.	634	+	543	=	1.177
8.	838	+	536	=	1.374
9.	718	+	542	=	1.260
10.	234	+	203	=	437

Oefening 2
1.	769	+	425	=	1.194
2.	784	+	549	=	1.333
3.	970	+	438	=	1.408
4.	285	+	252	=	537
5.	804	+	732	=	1.536
6.	868	+	243	=	1.111
7.	805	+	455	=	1.260
8.	807	+	413	=	1.220
9.	907	+	798	=	1.705
10.	514	+	243	=	757

Oefening 3
1.	805	+	498	=	1.303
2.	752	+	362	=	1.114
3.	797	+	690	=	1.487
4.	898	+	605	=	1.503
5.	932	+	281	=	1.213
6.	935	+	382	=	1.317
7.	306	+	301	=	607
8.	492	+	295	=	787
9.	888	+	709	=	1.597
10.	960	+	359	=	1.319

Oefening 4
1.	376	+	345	=	721
2.	520	+	406	=	926
3.	956	+	791	=	1.747
4.	843	+	786	=	1.629
5.	988	+	590	=	1.578
6.	822	+	220	=	1.042
7.	764	+	288	=	1.052
8.	834	+	790	=	1.624
9.	987	+	892	=	1.879
10.	683	+	385	=	1.068