Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	468	+		=	909
2.	898	+		=	1.630
3.	931	+		=	1.617
4.	777	+		=	1.211
5.	622	+		=	1.000
6.	592	+		=	1.130
7.	563	+		=	818
8.	676	+		=	1.017
9.	745	+		=	1.414
10.	727	+		=	1.175

Oefening 2
1.	556	+		=	799
2.	865	+		=	1.197
3.	573	+		=	830
4.	912	+		=	1.718
5.	811	+		=	1.476
6.	688	+		=	980
7.	992	+		=	1.801
8.	876	+		=	1.127
9.	587	+		=	865
10.	895	+		=	1.096

Oefening 3
1.	707	+		=	923
2.	887	+		=	1.244
3.	632	+		=	1.128
4.	628	+		=	1.079
5.	615	+		=	1.222
6.	819	+		=	1.306
7.	638	+		=	911
8.	584	+		=	853
9.	446	+		=	870
10.	643	+		=	1.146

Oefening 4
1.	995	+		=	1.933
2.	836	+		=	1.128
3.	454	+		=	781
4.	844	+		=	1.086
5.	821	+		=	1.075
6.	790	+		=	1.344
7.	475	+		=	736
8.	580	+		=	1.057
9.	829	+		=	1.351
10.	975	+		=	1.719

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	468	+	441	=	909
2.	898	+	732	=	1.630
3.	931	+	686	=	1.617
4.	777	+	434	=	1.211
5.	622	+	378	=	1.000
6.	592	+	538	=	1.130
7.	563	+	255	=	818
8.	676	+	341	=	1.017
9.	745	+	669	=	1.414
10.	727	+	448	=	1.175

Oefening 2
1.	556	+	243	=	799
2.	865	+	332	=	1.197
3.	573	+	257	=	830
4.	912	+	806	=	1.718
5.	811	+	665	=	1.476
6.	688	+	292	=	980
7.	992	+	809	=	1.801
8.	876	+	251	=	1.127
9.	587	+	278	=	865
10.	895	+	201	=	1.096

Oefening 3
1.	707	+	216	=	923
2.	887	+	357	=	1.244
3.	632	+	496	=	1.128
4.	628	+	451	=	1.079
5.	615	+	607	=	1.222
6.	819	+	487	=	1.306
7.	638	+	273	=	911
8.	584	+	269	=	853
9.	446	+	424	=	870
10.	643	+	503	=	1.146

Oefening 4
1.	995	+	938	=	1.933
2.	836	+	292	=	1.128
3.	454	+	327	=	781
4.	844	+	242	=	1.086
5.	821	+	254	=	1.075
6.	790	+	554	=	1.344
7.	475	+	261	=	736
8.	580	+	477	=	1.057
9.	829	+	522	=	1.351
10.	975	+	744	=	1.719