Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	943	+		=	1.812
2.	987	+		=	1.389
3.	814	+		=	1.178
4.	511	+		=	803
5.	499	+		=	768
6.	976	+		=	1.644
7.	634	+		=	913
8.	922	+		=	1.536
9.	220	+		=	428
10.	929	+		=	1.413

Oefening 2
1.	469	+		=	932
2.	955	+		=	1.327
3.	518	+		=	891
4.	889	+		=	1.657
5.	499	+		=	757
6.	799	+		=	1.292
7.	758	+		=	1.338
8.	452	+		=	853
9.	491	+		=	724
10.	591	+		=	811

Oefening 3
1.	340	+		=	591
2.	664	+		=	1.043
3.	650	+		=	989
4.	580	+		=	1.068
5.	360	+		=	637
6.	987	+		=	1.588
7.	415	+		=	755
8.	622	+		=	1.011
9.	988	+		=	1.505
10.	383	+		=	678

Oefening 4
1.	798	+		=	1.015
2.	949	+		=	1.414
3.	639	+		=	1.146
4.	921	+		=	1.246
5.	772	+		=	1.524
6.	650	+		=	1.273
7.	788	+		=	1.475
8.	949	+		=	1.558
9.	644	+		=	1.112
10.	765	+		=	1.165

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	943	+	869	=	1.812
2.	987	+	402	=	1.389
3.	814	+	364	=	1.178
4.	511	+	292	=	803
5.	499	+	269	=	768
6.	976	+	668	=	1.644
7.	634	+	279	=	913
8.	922	+	614	=	1.536
9.	220	+	208	=	428
10.	929	+	484	=	1.413

Oefening 2
1.	469	+	463	=	932
2.	955	+	372	=	1.327
3.	518	+	373	=	891
4.	889	+	768	=	1.657
5.	499	+	258	=	757
6.	799	+	493	=	1.292
7.	758	+	580	=	1.338
8.	452	+	401	=	853
9.	491	+	233	=	724
10.	591	+	220	=	811

Oefening 3
1.	340	+	251	=	591
2.	664	+	379	=	1.043
3.	650	+	339	=	989
4.	580	+	488	=	1.068
5.	360	+	277	=	637
6.	987	+	601	=	1.588
7.	415	+	340	=	755
8.	622	+	389	=	1.011
9.	988	+	517	=	1.505
10.	383	+	295	=	678

Oefening 4
1.	798	+	217	=	1.015
2.	949	+	465	=	1.414
3.	639	+	507	=	1.146
4.	921	+	325	=	1.246
5.	772	+	752	=	1.524
6.	650	+	623	=	1.273
7.	788	+	687	=	1.475
8.	949	+	609	=	1.558
9.	644	+	468	=	1.112
10.	765	+	400	=	1.165