Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	557	+		=	783
2.	765	+		=	1.255
3.	702	+		=	1.302
4.	952	+		=	1.188
5.	564	+		=	814
6.	794	+		=	1.290
7.	776	+		=	1.379
8.	947	+		=	1.427
9.	878	+		=	1.327
10.	810	+		=	1.112

Oefening 2
1.	961	+		=	1.427
2.	984	+		=	1.316
3.	587	+		=	984
4.	602	+		=	973
5.	905	+		=	1.568
6.	732	+		=	1.136
7.	929	+		=	1.516
8.	675	+		=	1.300
9.	956	+		=	1.237
10.	569	+		=	1.043

Oefening 3
1.	849	+		=	1.246
2.	402	+		=	775
3.	934	+		=	1.307
4.	552	+		=	936
5.	397	+		=	762
6.	672	+		=	936
7.	503	+		=	760
8.	596	+		=	932
9.	685	+		=	1.176
10.	385	+		=	699

Oefening 4
1.	555	+		=	1.010
2.	815	+		=	1.178
3.	426	+		=	757
4.	817	+		=	1.494
5.	854	+		=	1.443
6.	398	+		=	719
7.	935	+		=	1.165
8.	984	+		=	1.597
9.	799	+		=	1.583
10.	587	+		=	949

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	557	+	226	=	783
2.	765	+	490	=	1.255
3.	702	+	600	=	1.302
4.	952	+	236	=	1.188
5.	564	+	250	=	814
6.	794	+	496	=	1.290
7.	776	+	603	=	1.379
8.	947	+	480	=	1.427
9.	878	+	449	=	1.327
10.	810	+	302	=	1.112

Oefening 2
1.	961	+	466	=	1.427
2.	984	+	332	=	1.316
3.	587	+	397	=	984
4.	602	+	371	=	973
5.	905	+	663	=	1.568
6.	732	+	404	=	1.136
7.	929	+	587	=	1.516
8.	675	+	625	=	1.300
9.	956	+	281	=	1.237
10.	569	+	474	=	1.043

Oefening 3
1.	849	+	397	=	1.246
2.	402	+	373	=	775
3.	934	+	373	=	1.307
4.	552	+	384	=	936
5.	397	+	365	=	762
6.	672	+	264	=	936
7.	503	+	257	=	760
8.	596	+	336	=	932
9.	685	+	491	=	1.176
10.	385	+	314	=	699

Oefening 4
1.	555	+	455	=	1.010
2.	815	+	363	=	1.178
3.	426	+	331	=	757
4.	817	+	677	=	1.494
5.	854	+	589	=	1.443
6.	398	+	321	=	719
7.	935	+	230	=	1.165
8.	984	+	613	=	1.597
9.	799	+	784	=	1.583
10.	587	+	362	=	949