Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	721	+		=	1.022
2.	762	+		=	1.500
3.	858	+		=	1.242
4.	881	+		=	1.624
5.	883	+		=	1.263
6.	767	+		=	1.321
7.	840	+		=	1.341
8.	471	+		=	905
9.	313	+		=	544
10.	358	+		=	690

Oefening 2
1.	490	+		=	793
2.	485	+		=	907
3.	937	+		=	1.400
4.	386	+		=	765
5.	995	+		=	1.548
6.	698	+		=	1.042
7.	791	+		=	1.001
8.	839	+		=	1.267
9.	938	+		=	1.625
10.	836	+		=	1.106

Oefening 3
1.	789	+		=	1.296
2.	932	+		=	1.428
3.	817	+		=	1.265
4.	827	+		=	1.229
5.	714	+		=	953
6.	536	+		=	1.051
7.	965	+		=	1.447
8.	958	+		=	1.169
9.	840	+		=	1.618
10.	859	+		=	1.167

Oefening 4
1.	811	+		=	1.492
2.	965	+		=	1.884
3.	272	+		=	501
4.	782	+		=	1.026
5.	396	+		=	668
6.	750	+		=	1.193
7.	678	+		=	1.066
8.	936	+		=	1.550
9.	867	+		=	1.691
10.	970	+		=	1.775

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	721	+	301	=	1.022
2.	762	+	738	=	1.500
3.	858	+	384	=	1.242
4.	881	+	743	=	1.624
5.	883	+	380	=	1.263
6.	767	+	554	=	1.321
7.	840	+	501	=	1.341
8.	471	+	434	=	905
9.	313	+	231	=	544
10.	358	+	332	=	690

Oefening 2
1.	490	+	303	=	793
2.	485	+	422	=	907
3.	937	+	463	=	1.400
4.	386	+	379	=	765
5.	995	+	553	=	1.548
6.	698	+	344	=	1.042
7.	791	+	210	=	1.001
8.	839	+	428	=	1.267
9.	938	+	687	=	1.625
10.	836	+	270	=	1.106

Oefening 3
1.	789	+	507	=	1.296
2.	932	+	496	=	1.428
3.	817	+	448	=	1.265
4.	827	+	402	=	1.229
5.	714	+	239	=	953
6.	536	+	515	=	1.051
7.	965	+	482	=	1.447
8.	958	+	211	=	1.169
9.	840	+	778	=	1.618
10.	859	+	308	=	1.167

Oefening 4
1.	811	+	681	=	1.492
2.	965	+	919	=	1.884
3.	272	+	229	=	501
4.	782	+	244	=	1.026
5.	396	+	272	=	668
6.	750	+	443	=	1.193
7.	678	+	388	=	1.066
8.	936	+	614	=	1.550
9.	867	+	824	=	1.691
10.	970	+	805	=	1.775