Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	611	+		=	983
2.	807	+		=	1.145
3.	963	+		=	1.718
4.	947	+		=	1.659
5.	847	+		=	1.478
6.	457	+		=	686
7.	314	+		=	570
8.	457	+		=	913
9.	860	+		=	1.609
10.	695	+		=	1.242

Oefening 2
1.	972	+		=	1.598
2.	850	+		=	1.506
3.	879	+		=	1.623
4.	787	+		=	1.545
5.	467	+		=	856
6.	685	+		=	1.206
7.	638	+		=	1.262
8.	511	+		=	733
9.	808	+		=	1.362
10.	824	+		=	1.250

Oefening 3
1.	952	+		=	1.898
2.	632	+		=	1.240
3.	775	+		=	1.025
4.	988	+		=	1.290
5.	748	+		=	962
6.	969	+		=	1.315
7.	516	+		=	860
8.	629	+		=	1.119
9.	958	+		=	1.852
10.	494	+		=	700

Oefening 4
1.	478	+		=	741
2.	623	+		=	1.069
3.	968	+		=	1.367
4.	985	+		=	1.488
5.	591	+		=	796
6.	411	+		=	804
7.	885	+		=	1.588
8.	641	+		=	1.255
9.	498	+		=	860
10.	394	+		=	623

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	611	+	372	=	983
2.	807	+	338	=	1.145
3.	963	+	755	=	1.718
4.	947	+	712	=	1.659
5.	847	+	631	=	1.478
6.	457	+	229	=	686
7.	314	+	256	=	570
8.	457	+	456	=	913
9.	860	+	749	=	1.609
10.	695	+	547	=	1.242

Oefening 2
1.	972	+	626	=	1.598
2.	850	+	656	=	1.506
3.	879	+	744	=	1.623
4.	787	+	758	=	1.545
5.	467	+	389	=	856
6.	685	+	521	=	1.206
7.	638	+	624	=	1.262
8.	511	+	222	=	733
9.	808	+	554	=	1.362
10.	824	+	426	=	1.250

Oefening 3
1.	952	+	946	=	1.898
2.	632	+	608	=	1.240
3.	775	+	250	=	1.025
4.	988	+	302	=	1.290
5.	748	+	214	=	962
6.	969	+	346	=	1.315
7.	516	+	344	=	860
8.	629	+	490	=	1.119
9.	958	+	894	=	1.852
10.	494	+	206	=	700

Oefening 4
1.	478	+	263	=	741
2.	623	+	446	=	1.069
3.	968	+	399	=	1.367
4.	985	+	503	=	1.488
5.	591	+	205	=	796
6.	411	+	393	=	804
7.	885	+	703	=	1.588
8.	641	+	614	=	1.255
9.	498	+	362	=	860
10.	394	+	229	=	623