Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	856	+		=	1.313
2.	738	+		=	1.335
3.	905	+		=	1.361
4.	553	+		=	1.030
5.	849	+		=	1.071
6.	562	+		=	951
7.	544	+		=	991
8.	963	+		=	1.567
9.	930	+		=	1.338
10.	766	+		=	1.119

Oefening 2
1.	246	+		=	451
2.	735	+		=	1.117
3.	818	+		=	1.134
4.	644	+		=	1.141
5.	579	+		=	829
6.	816	+		=	1.516
7.	904	+		=	1.304
8.	970	+		=	1.589
9.	722	+		=	1.055
10.	392	+		=	682

Oefening 3
1.	980	+		=	1.851
2.	805	+		=	1.344
3.	912	+		=	1.412
4.	917	+		=	1.305
5.	922	+		=	1.140
6.	992	+		=	1.384
7.	684	+		=	919
8.	937	+		=	1.207
9.	889	+		=	1.123
10.	839	+		=	1.125

Oefening 4
1.	993	+		=	1.747
2.	778	+		=	1.523
3.	429	+		=	667
4.	349	+		=	677
5.	922	+		=	1.723
6.	424	+		=	769
7.	772	+		=	1.309
8.	961	+		=	1.431
9.	956	+		=	1.266
10.	492	+		=	731

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	856	+	457	=	1.313
2.	738	+	597	=	1.335
3.	905	+	456	=	1.361
4.	553	+	477	=	1.030
5.	849	+	222	=	1.071
6.	562	+	389	=	951
7.	544	+	447	=	991
8.	963	+	604	=	1.567
9.	930	+	408	=	1.338
10.	766	+	353	=	1.119

Oefening 2
1.	246	+	205	=	451
2.	735	+	382	=	1.117
3.	818	+	316	=	1.134
4.	644	+	497	=	1.141
5.	579	+	250	=	829
6.	816	+	700	=	1.516
7.	904	+	400	=	1.304
8.	970	+	619	=	1.589
9.	722	+	333	=	1.055
10.	392	+	290	=	682

Oefening 3
1.	980	+	871	=	1.851
2.	805	+	539	=	1.344
3.	912	+	500	=	1.412
4.	917	+	388	=	1.305
5.	922	+	218	=	1.140
6.	992	+	392	=	1.384
7.	684	+	235	=	919
8.	937	+	270	=	1.207
9.	889	+	234	=	1.123
10.	839	+	286	=	1.125

Oefening 4
1.	993	+	754	=	1.747
2.	778	+	745	=	1.523
3.	429	+	238	=	667
4.	349	+	328	=	677
5.	922	+	801	=	1.723
6.	424	+	345	=	769
7.	772	+	537	=	1.309
8.	961	+	470	=	1.431
9.	956	+	310	=	1.266
10.	492	+	239	=	731