Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	525	+		=	819
2.	694	+		=	985
3.	505	+		=	1.001
4.	982	+		=	1.674
5.	952	+		=	1.804
6.	550	+		=	763
7.	511	+		=	915
8.	669	+		=	876
9.	922	+		=	1.575
10.	571	+		=	812

Oefening 2
1.	772	+		=	1.060
2.	887	+		=	1.659
3.	988	+		=	1.549
4.	633	+		=	972
5.	855	+		=	1.246
6.	523	+		=	971
7.	754	+		=	1.075
8.	381	+		=	704
9.	630	+		=	888
10.	772	+		=	1.311

Oefening 3
1.	496	+		=	987
2.	797	+		=	1.136
3.	710	+		=	1.133
4.	858	+		=	1.138
5.	457	+		=	851
6.	985	+		=	1.635
7.	627	+		=	908
8.	908	+		=	1.619
9.	722	+		=	1.276
10.	952	+		=	1.408

Oefening 4
1.	800	+		=	1.465
2.	763	+		=	1.497
3.	904	+		=	1.656
4.	1.000	+		=	1.305
5.	454	+		=	899
6.	967	+		=	1.275
7.	854	+		=	1.290
8.	845	+		=	1.205
9.	581	+		=	793
10.	954	+		=	1.744

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	525	+	294	=	819
2.	694	+	291	=	985
3.	505	+	496	=	1.001
4.	982	+	692	=	1.674
5.	952	+	852	=	1.804
6.	550	+	213	=	763
7.	511	+	404	=	915
8.	669	+	207	=	876
9.	922	+	653	=	1.575
10.	571	+	241	=	812

Oefening 2
1.	772	+	288	=	1.060
2.	887	+	772	=	1.659
3.	988	+	561	=	1.549
4.	633	+	339	=	972
5.	855	+	391	=	1.246
6.	523	+	448	=	971
7.	754	+	321	=	1.075
8.	381	+	323	=	704
9.	630	+	258	=	888
10.	772	+	539	=	1.311

Oefening 3
1.	496	+	491	=	987
2.	797	+	339	=	1.136
3.	710	+	423	=	1.133
4.	858	+	280	=	1.138
5.	457	+	394	=	851
6.	985	+	650	=	1.635
7.	627	+	281	=	908
8.	908	+	711	=	1.619
9.	722	+	554	=	1.276
10.	952	+	456	=	1.408

Oefening 4
1.	800	+	665	=	1.465
2.	763	+	734	=	1.497
3.	904	+	752	=	1.656
4.	1.000	+	305	=	1.305
5.	454	+	445	=	899
6.	967	+	308	=	1.275
7.	854	+	436	=	1.290
8.	845	+	360	=	1.205
9.	581	+	212	=	793
10.	954	+	790	=	1.744