Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	552	+		=	1.042
2.	550	+		=	797
3.	751	+		=	1.297
4.	886	+		=	1.693
5.	770	+		=	1.209
6.	599	+		=	1.050
7.	501	+		=	927
8.	453	+		=	849
9.	786	+		=	1.121
10.	877	+		=	1.115

Oefening 2
1.	989	+		=	1.726
2.	538	+		=	777
3.	603	+		=	999
4.	578	+		=	866
5.	991	+		=	1.807
6.	962	+		=	1.538
7.	624	+		=	829
8.	938	+		=	1.271
9.	477	+		=	851
10.	945	+		=	1.397

Oefening 3
1.	711	+		=	1.184
2.	776	+		=	1.291
3.	949	+		=	1.843
4.	642	+		=	1.205
5.	874	+		=	1.574
6.	796	+		=	1.171
7.	631	+		=	868
8.	876	+		=	1.200
9.	945	+		=	1.577
10.	823	+		=	1.050

Oefening 4
1.	402	+		=	651
2.	501	+		=	943
3.	857	+		=	1.316
4.	918	+		=	1.808
5.	601	+		=	1.148
6.	848	+		=	1.160
7.	634	+		=	1.094
8.	484	+		=	804
9.	499	+		=	757
10.	927	+		=	1.674

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	552	+	490	=	1.042
2.	550	+	247	=	797
3.	751	+	546	=	1.297
4.	886	+	807	=	1.693
5.	770	+	439	=	1.209
6.	599	+	451	=	1.050
7.	501	+	426	=	927
8.	453	+	396	=	849
9.	786	+	335	=	1.121
10.	877	+	238	=	1.115

Oefening 2
1.	989	+	737	=	1.726
2.	538	+	239	=	777
3.	603	+	396	=	999
4.	578	+	288	=	866
5.	991	+	816	=	1.807
6.	962	+	576	=	1.538
7.	624	+	205	=	829
8.	938	+	333	=	1.271
9.	477	+	374	=	851
10.	945	+	452	=	1.397

Oefening 3
1.	711	+	473	=	1.184
2.	776	+	515	=	1.291
3.	949	+	894	=	1.843
4.	642	+	563	=	1.205
5.	874	+	700	=	1.574
6.	796	+	375	=	1.171
7.	631	+	237	=	868
8.	876	+	324	=	1.200
9.	945	+	632	=	1.577
10.	823	+	227	=	1.050

Oefening 4
1.	402	+	249	=	651
2.	501	+	442	=	943
3.	857	+	459	=	1.316
4.	918	+	890	=	1.808
5.	601	+	547	=	1.148
6.	848	+	312	=	1.160
7.	634	+	460	=	1.094
8.	484	+	320	=	804
9.	499	+	258	=	757
10.	927	+	747	=	1.674