Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	674	+		=	1.242
2.	389	+		=	636
3.	696	+		=	1.242
4.	895	+		=	1.491
5.	751	+		=	1.158
6.	690	+		=	983
7.	611	+		=	879
8.	515	+		=	778
9.	976	+		=	1.639
10.	921	+		=	1.251

Oefening 2
1.	944	+		=	1.251
2.	992	+		=	1.819
3.	902	+		=	1.212
4.	904	+		=	1.503
5.	787	+		=	1.292
6.	348	+		=	628
7.	785	+		=	1.032
8.	580	+		=	1.028
9.	789	+		=	1.514
10.	569	+		=	879

Oefening 3
1.	669	+		=	1.238
2.	787	+		=	1.329
3.	955	+		=	1.605
4.	564	+		=	884
5.	438	+		=	843
6.	641	+		=	1.058
7.	745	+		=	1.196
8.	874	+		=	1.510
9.	513	+		=	843
10.	831	+		=	1.516

Oefening 4
1.	378	+		=	617
2.	619	+		=	1.217
3.	992	+		=	1.772
4.	398	+		=	746
5.	927	+		=	1.776
6.	839	+		=	1.342
7.	676	+		=	1.223
8.	388	+		=	740
9.	731	+		=	1.299
10.	644	+		=	1.037

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	674	+	568	=	1.242
2.	389	+	247	=	636
3.	696	+	546	=	1.242
4.	895	+	596	=	1.491
5.	751	+	407	=	1.158
6.	690	+	293	=	983
7.	611	+	268	=	879
8.	515	+	263	=	778
9.	976	+	663	=	1.639
10.	921	+	330	=	1.251

Oefening 2
1.	944	+	307	=	1.251
2.	992	+	827	=	1.819
3.	902	+	310	=	1.212
4.	904	+	599	=	1.503
5.	787	+	505	=	1.292
6.	348	+	280	=	628
7.	785	+	247	=	1.032
8.	580	+	448	=	1.028
9.	789	+	725	=	1.514
10.	569	+	310	=	879

Oefening 3
1.	669	+	569	=	1.238
2.	787	+	542	=	1.329
3.	955	+	650	=	1.605
4.	564	+	320	=	884
5.	438	+	405	=	843
6.	641	+	417	=	1.058
7.	745	+	451	=	1.196
8.	874	+	636	=	1.510
9.	513	+	330	=	843
10.	831	+	685	=	1.516

Oefening 4
1.	378	+	239	=	617
2.	619	+	598	=	1.217
3.	992	+	780	=	1.772
4.	398	+	348	=	746
5.	927	+	849	=	1.776
6.	839	+	503	=	1.342
7.	676	+	547	=	1.223
8.	388	+	352	=	740
9.	731	+	568	=	1.299
10.	644	+	393	=	1.037