Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	651	+		=	979
2.	879	+		=	1.381
3.	788	+		=	1.158
4.	953	+		=	1.238
5.	688	+		=	1.218
6.	772	+		=	1.440
7.	752	+		=	1.188
8.	222	+		=	426
9.	654	+		=	1.059
10.	953	+		=	1.320

Oefening 2
1.	819	+		=	1.251
2.	785	+		=	1.559
3.	631	+		=	877
4.	746	+		=	1.245
5.	770	+		=	1.149
6.	954	+		=	1.880
7.	694	+		=	945
8.	613	+		=	1.211
9.	665	+		=	994
10.	939	+		=	1.164

Oefening 3
1.	628	+		=	1.212
2.	979	+		=	1.432
3.	287	+		=	556
4.	712	+		=	1.203
5.	407	+		=	806
6.	698	+		=	1.127
7.	495	+		=	830
8.	961	+		=	1.294
9.	933	+		=	1.813
10.	971	+		=	1.716

Oefening 4
1.	929	+		=	1.707
2.	773	+		=	1.220
3.	591	+		=	1.011
4.	970	+		=	1.371
5.	697	+		=	1.309
6.	887	+		=	1.321
7.	951	+		=	1.731
8.	743	+		=	1.162
9.	860	+		=	1.475
10.	986	+		=	1.915

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	651	+	328	=	979
2.	879	+	502	=	1.381
3.	788	+	370	=	1.158
4.	953	+	285	=	1.238
5.	688	+	530	=	1.218
6.	772	+	668	=	1.440
7.	752	+	436	=	1.188
8.	222	+	204	=	426
9.	654	+	405	=	1.059
10.	953	+	367	=	1.320

Oefening 2
1.	819	+	432	=	1.251
2.	785	+	774	=	1.559
3.	631	+	246	=	877
4.	746	+	499	=	1.245
5.	770	+	379	=	1.149
6.	954	+	926	=	1.880
7.	694	+	251	=	945
8.	613	+	598	=	1.211
9.	665	+	329	=	994
10.	939	+	225	=	1.164

Oefening 3
1.	628	+	584	=	1.212
2.	979	+	453	=	1.432
3.	287	+	269	=	556
4.	712	+	491	=	1.203
5.	407	+	399	=	806
6.	698	+	429	=	1.127
7.	495	+	335	=	830
8.	961	+	333	=	1.294
9.	933	+	880	=	1.813
10.	971	+	745	=	1.716

Oefening 4
1.	929	+	778	=	1.707
2.	773	+	447	=	1.220
3.	591	+	420	=	1.011
4.	970	+	401	=	1.371
5.	697	+	612	=	1.309
6.	887	+	434	=	1.321
7.	951	+	780	=	1.731
8.	743	+	419	=	1.162
9.	860	+	615	=	1.475
10.	986	+	929	=	1.915