Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	968	+		=	1.681
2.	793	+		=	1.041
3.	585	+		=	1.140
4.	554	+		=	1.042
5.	910	+		=	1.787
6.	955	+		=	1.722
7.	555	+		=	820
8.	494	+		=	756
9.	325	+		=	623
10.	905	+		=	1.145

Oefening 2
1.	356	+		=	605
2.	785	+		=	1.099
3.	668	+		=	928
4.	655	+		=	859
5.	449	+		=	890
6.	926	+		=	1.815
7.	903	+		=	1.571
8.	972	+		=	1.697
9.	883	+		=	1.468
10.	442	+		=	810

Oefening 3
1.	571	+		=	909
2.	720	+		=	1.332
3.	481	+		=	790
4.	986	+		=	1.858
5.	961	+		=	1.748
6.	981	+		=	1.767
7.	678	+		=	1.095
8.	601	+		=	844
9.	988	+		=	1.216
10.	950	+		=	1.396

Oefening 4
1.	646	+		=	963
2.	559	+		=	1.064
3.	769	+		=	1.245
4.	625	+		=	962
5.	389	+		=	695
6.	947	+		=	1.623
7.	958	+		=	1.751
8.	584	+		=	946
9.	493	+		=	823
10.	663	+		=	1.244

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	968	+	713	=	1.681
2.	793	+	248	=	1.041
3.	585	+	555	=	1.140
4.	554	+	488	=	1.042
5.	910	+	877	=	1.787
6.	955	+	767	=	1.722
7.	555	+	265	=	820
8.	494	+	262	=	756
9.	325	+	298	=	623
10.	905	+	240	=	1.145

Oefening 2
1.	356	+	249	=	605
2.	785	+	314	=	1.099
3.	668	+	260	=	928
4.	655	+	204	=	859
5.	449	+	441	=	890
6.	926	+	889	=	1.815
7.	903	+	668	=	1.571
8.	972	+	725	=	1.697
9.	883	+	585	=	1.468
10.	442	+	368	=	810

Oefening 3
1.	571	+	338	=	909
2.	720	+	612	=	1.332
3.	481	+	309	=	790
4.	986	+	872	=	1.858
5.	961	+	787	=	1.748
6.	981	+	786	=	1.767
7.	678	+	417	=	1.095
8.	601	+	243	=	844
9.	988	+	228	=	1.216
10.	950	+	446	=	1.396

Oefening 4
1.	646	+	317	=	963
2.	559	+	505	=	1.064
3.	769	+	476	=	1.245
4.	625	+	337	=	962
5.	389	+	306	=	695
6.	947	+	676	=	1.623
7.	958	+	793	=	1.751
8.	584	+	362	=	946
9.	493	+	330	=	823
10.	663	+	581	=	1.244