Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	992	+		=	1.571
2.	595	+		=	1.096
3.	973	+		=	1.457
4.	987	+		=	1.692
5.	416	+		=	819
6.	800	+		=	1.464
7.	581	+		=	1.140
8.	468	+		=	697
9.	818	+		=	1.611
10.	917	+		=	1.556

Oefening 2
1.	647	+		=	924
2.	359	+		=	564
3.	934	+		=	1.730
4.	807	+		=	1.426
5.	765	+		=	1.408
6.	760	+		=	989
7.	727	+		=	1.169
8.	931	+		=	1.298
9.	568	+		=	951
10.	960	+		=	1.694

Oefening 3
1.	869	+		=	1.570
2.	946	+		=	1.418
3.	530	+		=	823
4.	477	+		=	693
5.	959	+		=	1.798
6.	831	+		=	1.453
7.	426	+		=	832
8.	970	+		=	1.757
9.	649	+		=	1.088
10.	426	+		=	813

Oefening 4
1.	385	+		=	659
2.	950	+		=	1.177
3.	584	+		=	1.083
4.	542	+		=	744
5.	838	+		=	1.505
6.	997	+		=	1.910
7.	673	+		=	1.159
8.	888	+		=	1.317
9.	633	+		=	1.190
10.	521	+		=	1.000

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	992	+	579	=	1.571
2.	595	+	501	=	1.096
3.	973	+	484	=	1.457
4.	987	+	705	=	1.692
5.	416	+	403	=	819
6.	800	+	664	=	1.464
7.	581	+	559	=	1.140
8.	468	+	229	=	697
9.	818	+	793	=	1.611
10.	917	+	639	=	1.556

Oefening 2
1.	647	+	277	=	924
2.	359	+	205	=	564
3.	934	+	796	=	1.730
4.	807	+	619	=	1.426
5.	765	+	643	=	1.408
6.	760	+	229	=	989
7.	727	+	442	=	1.169
8.	931	+	367	=	1.298
9.	568	+	383	=	951
10.	960	+	734	=	1.694

Oefening 3
1.	869	+	701	=	1.570
2.	946	+	472	=	1.418
3.	530	+	293	=	823
4.	477	+	216	=	693
5.	959	+	839	=	1.798
6.	831	+	622	=	1.453
7.	426	+	406	=	832
8.	970	+	787	=	1.757
9.	649	+	439	=	1.088
10.	426	+	387	=	813

Oefening 4
1.	385	+	274	=	659
2.	950	+	227	=	1.177
3.	584	+	499	=	1.083
4.	542	+	202	=	744
5.	838	+	667	=	1.505
6.	997	+	913	=	1.910
7.	673	+	486	=	1.159
8.	888	+	429	=	1.317
9.	633	+	557	=	1.190
10.	521	+	479	=	1.000