Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	639	+		=	1.251
2.	506	+		=	946
3.	713	+		=	1.003
4.	846	+		=	1.144
5.	452	+		=	747
6.	899	+		=	1.404
7.	964	+		=	1.875
8.	862	+		=	1.409
9.	947	+		=	1.727
10.	438	+		=	640

Oefening 2
1.	997	+		=	1.694
2.	572	+		=	1.012
3.	652	+		=	1.088
4.	995	+		=	1.981
5.	889	+		=	1.743
6.	902	+		=	1.688
7.	953	+		=	1.156
8.	669	+		=	1.082
9.	991	+		=	1.504
10.	910	+		=	1.140

Oefening 3
1.	770	+		=	1.028
2.	560	+		=	1.045
3.	340	+		=	643
4.	901	+		=	1.722
5.	751	+		=	1.215
6.	420	+		=	708
7.	643	+		=	1.262
8.	725	+		=	1.447
9.	995	+		=	1.235
10.	980	+		=	1.817

Oefening 4
1.	801	+		=	1.168
2.	901	+		=	1.552
3.	829	+		=	1.126
4.	672	+		=	983
5.	536	+		=	959
6.	831	+		=	1.503
7.	925	+		=	1.775
8.	421	+		=	798
9.	771	+		=	1.100
10.	993	+		=	1.482

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	639	+	612	=	1.251
2.	506	+	440	=	946
3.	713	+	290	=	1.003
4.	846	+	298	=	1.144
5.	452	+	295	=	747
6.	899	+	505	=	1.404
7.	964	+	911	=	1.875
8.	862	+	547	=	1.409
9.	947	+	780	=	1.727
10.	438	+	202	=	640

Oefening 2
1.	997	+	697	=	1.694
2.	572	+	440	=	1.012
3.	652	+	436	=	1.088
4.	995	+	986	=	1.981
5.	889	+	854	=	1.743
6.	902	+	786	=	1.688
7.	953	+	203	=	1.156
8.	669	+	413	=	1.082
9.	991	+	513	=	1.504
10.	910	+	230	=	1.140

Oefening 3
1.	770	+	258	=	1.028
2.	560	+	485	=	1.045
3.	340	+	303	=	643
4.	901	+	821	=	1.722
5.	751	+	464	=	1.215
6.	420	+	288	=	708
7.	643	+	619	=	1.262
8.	725	+	722	=	1.447
9.	995	+	240	=	1.235
10.	980	+	837	=	1.817

Oefening 4
1.	801	+	367	=	1.168
2.	901	+	651	=	1.552
3.	829	+	297	=	1.126
4.	672	+	311	=	983
5.	536	+	423	=	959
6.	831	+	672	=	1.503
7.	925	+	850	=	1.775
8.	421	+	377	=	798
9.	771	+	329	=	1.100
10.	993	+	489	=	1.482