Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	783	+		=	1.289
2.	700	+		=	1.112
3.	769	+		=	1.271
4.	620	+		=	1.222
5.	953	+		=	1.829
6.	850	+		=	1.461
7.	873	+		=	1.408
8.	779	+		=	1.386
9.	772	+		=	1.039
10.	794	+		=	1.122

Oefening 2
1.	813	+		=	1.307
2.	901	+		=	1.278
3.	922	+		=	1.640
4.	806	+		=	1.451
5.	578	+		=	1.088
6.	463	+		=	722
7.	745	+		=	970
8.	840	+		=	1.430
9.	838	+		=	1.335
10.	217	+		=	420

Oefening 3
1.	634	+		=	1.148
2.	626	+		=	1.095
3.	815	+		=	1.084
4.	575	+		=	778
5.	875	+		=	1.609
6.	794	+		=	1.158
7.	816	+		=	1.252
8.	946	+		=	1.771
9.	850	+		=	1.665
10.	767	+		=	1.153

Oefening 4
1.	874	+		=	1.198
2.	432	+		=	859
3.	991	+		=	1.585
4.	808	+		=	1.296
5.	986	+		=	1.615
6.	524	+		=	980
7.	460	+		=	916
8.	909	+		=	1.166
9.	834	+		=	1.242
10.	270	+		=	514

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	783	+	506	=	1.289
2.	700	+	412	=	1.112
3.	769	+	502	=	1.271
4.	620	+	602	=	1.222
5.	953	+	876	=	1.829
6.	850	+	611	=	1.461
7.	873	+	535	=	1.408
8.	779	+	607	=	1.386
9.	772	+	267	=	1.039
10.	794	+	328	=	1.122

Oefening 2
1.	813	+	494	=	1.307
2.	901	+	377	=	1.278
3.	922	+	718	=	1.640
4.	806	+	645	=	1.451
5.	578	+	510	=	1.088
6.	463	+	259	=	722
7.	745	+	225	=	970
8.	840	+	590	=	1.430
9.	838	+	497	=	1.335
10.	217	+	203	=	420

Oefening 3
1.	634	+	514	=	1.148
2.	626	+	469	=	1.095
3.	815	+	269	=	1.084
4.	575	+	203	=	778
5.	875	+	734	=	1.609
6.	794	+	364	=	1.158
7.	816	+	436	=	1.252
8.	946	+	825	=	1.771
9.	850	+	815	=	1.665
10.	767	+	386	=	1.153

Oefening 4
1.	874	+	324	=	1.198
2.	432	+	427	=	859
3.	991	+	594	=	1.585
4.	808	+	488	=	1.296
5.	986	+	629	=	1.615
6.	524	+	456	=	980
7.	460	+	456	=	916
8.	909	+	257	=	1.166
9.	834	+	408	=	1.242
10.	270	+	244	=	514