Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	917	+		=	1.778
2.	409	+		=	742
3.	635	+		=	840
4.	955	+		=	1.883
5.	668	+		=	1.296
6.	980	+		=	1.349
7.	926	+		=	1.721
8.	977	+		=	1.460
9.	786	+		=	1.021
10.	383	+		=	664

Oefening 2
1.	967	+		=	1.486
2.	515	+		=	980
3.	686	+		=	1.273
4.	955	+		=	1.363
5.	970	+		=	1.571
6.	988	+		=	1.720
7.	769	+		=	1.080
8.	659	+		=	919
9.	882	+		=	1.357
10.	586	+		=	1.103

Oefening 3
1.	933	+		=	1.613
2.	997	+		=	1.299
3.	743	+		=	1.192
4.	991	+		=	1.238
5.	762	+		=	986
6.	631	+		=	1.261
7.	977	+		=	1.669
8.	997	+		=	1.481
9.	991	+		=	1.909
10.	722	+		=	1.085

Oefening 4
1.	884	+		=	1.762
2.	955	+		=	1.450
3.	515	+		=	802
4.	832	+		=	1.080
5.	952	+		=	1.726
6.	750	+		=	1.118
7.	874	+		=	1.596
8.	829	+		=	1.117
9.	710	+		=	1.042
10.	820	+		=	1.485

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	917	+	861	=	1.778
2.	409	+	333	=	742
3.	635	+	205	=	840
4.	955	+	928	=	1.883
5.	668	+	628	=	1.296
6.	980	+	369	=	1.349
7.	926	+	795	=	1.721
8.	977	+	483	=	1.460
9.	786	+	235	=	1.021
10.	383	+	281	=	664

Oefening 2
1.	967	+	519	=	1.486
2.	515	+	465	=	980
3.	686	+	587	=	1.273
4.	955	+	408	=	1.363
5.	970	+	601	=	1.571
6.	988	+	732	=	1.720
7.	769	+	311	=	1.080
8.	659	+	260	=	919
9.	882	+	475	=	1.357
10.	586	+	517	=	1.103

Oefening 3
1.	933	+	680	=	1.613
2.	997	+	302	=	1.299
3.	743	+	449	=	1.192
4.	991	+	247	=	1.238
5.	762	+	224	=	986
6.	631	+	630	=	1.261
7.	977	+	692	=	1.669
8.	997	+	484	=	1.481
9.	991	+	918	=	1.909
10.	722	+	363	=	1.085

Oefening 4
1.	884	+	878	=	1.762
2.	955	+	495	=	1.450
3.	515	+	287	=	802
4.	832	+	248	=	1.080
5.	952	+	774	=	1.726
6.	750	+	368	=	1.118
7.	874	+	722	=	1.596
8.	829	+	288	=	1.117
9.	710	+	332	=	1.042
10.	820	+	665	=	1.485