Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	928	+		=	1.746
2.	970	+		=	1.573
3.	987	+		=	1.690
4.	936	+		=	1.854
5.	560	+		=	1.042
6.	556	+		=	917
7.	539	+		=	928
8.	716	+		=	1.066
9.	902	+		=	1.673
10.	763	+		=	1.222

Oefening 2
1.	852	+		=	1.517
2.	760	+		=	1.073
3.	318	+		=	530
4.	887	+		=	1.263
5.	810	+		=	1.487
6.	405	+		=	652
7.	602	+		=	1.079
8.	903	+		=	1.309
9.	994	+		=	1.762
10.	568	+		=	1.099

Oefening 3
1.	441	+		=	698
2.	440	+		=	766
3.	878	+		=	1.251
4.	652	+		=	1.097
5.	827	+		=	1.246
6.	644	+		=	883
7.	973	+		=	1.914
8.	950	+		=	1.702
9.	725	+		=	1.283
10.	346	+		=	681

Oefening 4
1.	916	+		=	1.827
2.	926	+		=	1.676
3.	685	+		=	963
4.	320	+		=	572
5.	707	+		=	1.382
6.	659	+		=	871
7.	971	+		=	1.691
8.	458	+		=	784
9.	902	+		=	1.647
10.	847	+		=	1.611

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	928	+	818	=	1.746
2.	970	+	603	=	1.573
3.	987	+	703	=	1.690
4.	936	+	918	=	1.854
5.	560	+	482	=	1.042
6.	556	+	361	=	917
7.	539	+	389	=	928
8.	716	+	350	=	1.066
9.	902	+	771	=	1.673
10.	763	+	459	=	1.222

Oefening 2
1.	852	+	665	=	1.517
2.	760	+	313	=	1.073
3.	318	+	212	=	530
4.	887	+	376	=	1.263
5.	810	+	677	=	1.487
6.	405	+	247	=	652
7.	602	+	477	=	1.079
8.	903	+	406	=	1.309
9.	994	+	768	=	1.762
10.	568	+	531	=	1.099

Oefening 3
1.	441	+	257	=	698
2.	440	+	326	=	766
3.	878	+	373	=	1.251
4.	652	+	445	=	1.097
5.	827	+	419	=	1.246
6.	644	+	239	=	883
7.	973	+	941	=	1.914
8.	950	+	752	=	1.702
9.	725	+	558	=	1.283
10.	346	+	335	=	681

Oefening 4
1.	916	+	911	=	1.827
2.	926	+	750	=	1.676
3.	685	+	278	=	963
4.	320	+	252	=	572
5.	707	+	675	=	1.382
6.	659	+	212	=	871
7.	971	+	720	=	1.691
8.	458	+	326	=	784
9.	902	+	745	=	1.647
10.	847	+	764	=	1.611