Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	553	+		=	986
2.	682	+		=	1.134
3.	946	+		=	1.202
4.	579	+		=	1.111
5.	903	+		=	1.111
6.	739	+		=	1.340
7.	856	+		=	1.062
8.	364	+		=	681
9.	913	+		=	1.204
10.	743	+		=	1.451

Oefening 2
1.	717	+		=	1.210
2.	816	+		=	1.140
3.	968	+		=	1.786
4.	893	+		=	1.586
5.	671	+		=	1.306
6.	434	+		=	715
7.	547	+		=	918
8.	482	+		=	716
9.	875	+		=	1.239
10.	877	+		=	1.272

Oefening 3
1.	864	+		=	1.254
2.	691	+		=	987
3.	832	+		=	1.067
4.	788	+		=	1.168
5.	510	+		=	746
6.	999	+		=	1.541
7.	952	+		=	1.834
8.	922	+		=	1.775
9.	981	+		=	1.691
10.	867	+		=	1.437

Oefening 4
1.	482	+		=	709
2.	935	+		=	1.322
3.	559	+		=	863
4.	934	+		=	1.288
5.	661	+		=	919
6.	361	+		=	625
7.	951	+		=	1.237
8.	758	+		=	1.377
9.	681	+		=	1.167
10.	861	+		=	1.336

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	553	+	433	=	986
2.	682	+	452	=	1.134
3.	946	+	256	=	1.202
4.	579	+	532	=	1.111
5.	903	+	208	=	1.111
6.	739	+	601	=	1.340
7.	856	+	206	=	1.062
8.	364	+	317	=	681
9.	913	+	291	=	1.204
10.	743	+	708	=	1.451

Oefening 2
1.	717	+	493	=	1.210
2.	816	+	324	=	1.140
3.	968	+	818	=	1.786
4.	893	+	693	=	1.586
5.	671	+	635	=	1.306
6.	434	+	281	=	715
7.	547	+	371	=	918
8.	482	+	234	=	716
9.	875	+	364	=	1.239
10.	877	+	395	=	1.272

Oefening 3
1.	864	+	390	=	1.254
2.	691	+	296	=	987
3.	832	+	235	=	1.067
4.	788	+	380	=	1.168
5.	510	+	236	=	746
6.	999	+	542	=	1.541
7.	952	+	882	=	1.834
8.	922	+	853	=	1.775
9.	981	+	710	=	1.691
10.	867	+	570	=	1.437

Oefening 4
1.	482	+	227	=	709
2.	935	+	387	=	1.322
3.	559	+	304	=	863
4.	934	+	354	=	1.288
5.	661	+	258	=	919
6.	361	+	264	=	625
7.	951	+	286	=	1.237
8.	758	+	619	=	1.377
9.	681	+	486	=	1.167
10.	861	+	475	=	1.336