Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	908	+		=	1.215
2.	495	+		=	703
3.	720	+		=	1.333
4.	835	+		=	1.313
5.	884	+		=	1.682
6.	531	+		=	804
7.	992	+		=	1.707
8.	659	+		=	1.298
9.	936	+		=	1.361
10.	506	+		=	710

Oefening 2
1.	945	+		=	1.339
2.	904	+		=	1.712
3.	836	+		=	1.237
4.	812	+		=	1.051
5.	845	+		=	1.508
6.	644	+		=	1.042
7.	880	+		=	1.528
8.	505	+		=	730
9.	916	+		=	1.757
10.	768	+		=	1.021

Oefening 3
1.	912	+		=	1.126
2.	963	+		=	1.708
3.	947	+		=	1.246
4.	939	+		=	1.327
5.	947	+		=	1.343
6.	681	+		=	1.276
7.	389	+		=	720
8.	950	+		=	1.765
9.	575	+		=	877
10.	691	+		=	920

Oefening 4
1.	505	+		=	966
2.	848	+		=	1.054
3.	772	+		=	1.479
4.	977	+		=	1.889
5.	961	+		=	1.241
6.	547	+		=	920
7.	580	+		=	1.092
8.	608	+		=	1.065
9.	810	+		=	1.502
10.	921	+		=	1.154

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	908	+	307	=	1.215
2.	495	+	208	=	703
3.	720	+	613	=	1.333
4.	835	+	478	=	1.313
5.	884	+	798	=	1.682
6.	531	+	273	=	804
7.	992	+	715	=	1.707
8.	659	+	639	=	1.298
9.	936	+	425	=	1.361
10.	506	+	204	=	710

Oefening 2
1.	945	+	394	=	1.339
2.	904	+	808	=	1.712
3.	836	+	401	=	1.237
4.	812	+	239	=	1.051
5.	845	+	663	=	1.508
6.	644	+	398	=	1.042
7.	880	+	648	=	1.528
8.	505	+	225	=	730
9.	916	+	841	=	1.757
10.	768	+	253	=	1.021

Oefening 3
1.	912	+	214	=	1.126
2.	963	+	745	=	1.708
3.	947	+	299	=	1.246
4.	939	+	388	=	1.327
5.	947	+	396	=	1.343
6.	681	+	595	=	1.276
7.	389	+	331	=	720
8.	950	+	815	=	1.765
9.	575	+	302	=	877
10.	691	+	229	=	920

Oefening 4
1.	505	+	461	=	966
2.	848	+	206	=	1.054
3.	772	+	707	=	1.479
4.	977	+	912	=	1.889
5.	961	+	280	=	1.241
6.	547	+	373	=	920
7.	580	+	512	=	1.092
8.	608	+	457	=	1.065
9.	810	+	692	=	1.502
10.	921	+	233	=	1.154