Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	461	+		=	898
2.	786	+		=	1.104
3.	948	+		=	1.563
4.	778	+		=	1.234
5.	329	+		=	591
6.	606	+		=	951
7.	559	+		=	867
8.	761	+		=	1.086
9.	572	+		=	1.002
10.	935	+		=	1.181

Oefening 2
1.	664	+		=	909
2.	986	+		=	1.209
3.	702	+		=	1.123
4.	694	+		=	1.202
5.	642	+		=	1.145
6.	862	+		=	1.581
7.	925	+		=	1.287
8.	825	+		=	1.349
9.	652	+		=	1.204
10.	521	+		=	979

Oefening 3
1.	829	+		=	1.368
2.	963	+		=	1.791
3.	437	+		=	749
4.	660	+		=	1.076
5.	937	+		=	1.340
6.	886	+		=	1.559
7.	796	+		=	1.509
8.	881	+		=	1.403
9.	901	+		=	1.629
10.	651	+		=	1.197

Oefening 4
1.	568	+		=	1.048
2.	850	+		=	1.372
3.	907	+		=	1.687
4.	801	+		=	1.252
5.	549	+		=	803
6.	646	+		=	937
7.	722	+		=	979
8.	954	+		=	1.902
9.	909	+		=	1.367
10.	627	+		=	1.078

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	461	+	437	=	898
2.	786	+	318	=	1.104
3.	948	+	615	=	1.563
4.	778	+	456	=	1.234
5.	329	+	262	=	591
6.	606	+	345	=	951
7.	559	+	308	=	867
8.	761	+	325	=	1.086
9.	572	+	430	=	1.002
10.	935	+	246	=	1.181

Oefening 2
1.	664	+	245	=	909
2.	986	+	223	=	1.209
3.	702	+	421	=	1.123
4.	694	+	508	=	1.202
5.	642	+	503	=	1.145
6.	862	+	719	=	1.581
7.	925	+	362	=	1.287
8.	825	+	524	=	1.349
9.	652	+	552	=	1.204
10.	521	+	458	=	979

Oefening 3
1.	829	+	539	=	1.368
2.	963	+	828	=	1.791
3.	437	+	312	=	749
4.	660	+	416	=	1.076
5.	937	+	403	=	1.340
6.	886	+	673	=	1.559
7.	796	+	713	=	1.509
8.	881	+	522	=	1.403
9.	901	+	728	=	1.629
10.	651	+	546	=	1.197

Oefening 4
1.	568	+	480	=	1.048
2.	850	+	522	=	1.372
3.	907	+	780	=	1.687
4.	801	+	451	=	1.252
5.	549	+	254	=	803
6.	646	+	291	=	937
7.	722	+	257	=	979
8.	954	+	948	=	1.902
9.	909	+	458	=	1.367
10.	627	+	451	=	1.078