Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	809	+		=	1.140
2.	725	+		=	1.355
3.	265	+		=	504
4.	993	+		=	1.379
5.	669	+		=	1.314
6.	837	+		=	1.206
7.	422	+		=	754
8.	691	+		=	1.213
9.	509	+		=	943
10.	355	+		=	684

Oefening 2
1.	872	+		=	1.237
2.	663	+		=	877
3.	996	+		=	1.359
4.	868	+		=	1.595
5.	346	+		=	561
6.	977	+		=	1.496
7.	874	+		=	1.212
8.	731	+		=	1.142
9.	690	+		=	1.277
10.	952	+		=	1.433

Oefening 3
1.	901	+		=	1.475
2.	550	+		=	1.050
3.	801	+		=	1.430
4.	428	+		=	696
5.	904	+		=	1.157
6.	455	+		=	902
7.	902	+		=	1.395
8.	996	+		=	1.906
9.	977	+		=	1.321
10.	978	+		=	1.294

Oefening 4
1.	680	+		=	954
2.	525	+		=	949
3.	782	+		=	1.292
4.	384	+		=	635
5.	599	+		=	901
6.	784	+		=	1.480
7.	559	+		=	1.016
8.	877	+		=	1.450
9.	847	+		=	1.498
10.	811	+		=	1.145

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	809	+	331	=	1.140
2.	725	+	630	=	1.355
3.	265	+	239	=	504
4.	993	+	386	=	1.379
5.	669	+	645	=	1.314
6.	837	+	369	=	1.206
7.	422	+	332	=	754
8.	691	+	522	=	1.213
9.	509	+	434	=	943
10.	355	+	329	=	684

Oefening 2
1.	872	+	365	=	1.237
2.	663	+	214	=	877
3.	996	+	363	=	1.359
4.	868	+	727	=	1.595
5.	346	+	215	=	561
6.	977	+	519	=	1.496
7.	874	+	338	=	1.212
8.	731	+	411	=	1.142
9.	690	+	587	=	1.277
10.	952	+	481	=	1.433

Oefening 3
1.	901	+	574	=	1.475
2.	550	+	500	=	1.050
3.	801	+	629	=	1.430
4.	428	+	268	=	696
5.	904	+	253	=	1.157
6.	455	+	447	=	902
7.	902	+	493	=	1.395
8.	996	+	910	=	1.906
9.	977	+	344	=	1.321
10.	978	+	316	=	1.294

Oefening 4
1.	680	+	274	=	954
2.	525	+	424	=	949
3.	782	+	510	=	1.292
4.	384	+	251	=	635
5.	599	+	302	=	901
6.	784	+	696	=	1.480
7.	559	+	457	=	1.016
8.	877	+	573	=	1.450
9.	847	+	651	=	1.498
10.	811	+	334	=	1.145