Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	790	+		=	1.036
2.	727	+		=	1.012
3.	578	+		=	890
4.	720	+		=	1.215
5.	539	+		=	761
6.	951	+		=	1.667
7.	981	+		=	1.646
8.	781	+		=	1.292
9.	943	+		=	1.355
10.	806	+		=	1.346

Oefening 2
1.	807	+		=	1.396
2.	360	+		=	619
3.	566	+		=	816
4.	700	+		=	975
5.	803	+		=	1.363
6.	674	+		=	1.253
7.	980	+		=	1.951
8.	511	+		=	970
9.	787	+		=	1.109
10.	592	+		=	820

Oefening 3
1.	467	+		=	691
2.	977	+		=	1.457
3.	981	+		=	1.870
4.	837	+		=	1.222
5.	706	+		=	1.054
6.	658	+		=	1.284
7.	943	+		=	1.475
8.	521	+		=	925
9.	636	+		=	1.056
10.	782	+		=	1.078

Oefening 4
1.	352	+		=	664
2.	973	+		=	1.242
3.	687	+		=	999
4.	732	+		=	1.378
5.	930	+		=	1.608
6.	800	+		=	1.013
7.	917	+		=	1.241
8.	559	+		=	771
9.	245	+		=	466
10.	940	+		=	1.255

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	790	+	246	=	1.036
2.	727	+	285	=	1.012
3.	578	+	312	=	890
4.	720	+	495	=	1.215
5.	539	+	222	=	761
6.	951	+	716	=	1.667
7.	981	+	665	=	1.646
8.	781	+	511	=	1.292
9.	943	+	412	=	1.355
10.	806	+	540	=	1.346

Oefening 2
1.	807	+	589	=	1.396
2.	360	+	259	=	619
3.	566	+	250	=	816
4.	700	+	275	=	975
5.	803	+	560	=	1.363
6.	674	+	579	=	1.253
7.	980	+	971	=	1.951
8.	511	+	459	=	970
9.	787	+	322	=	1.109
10.	592	+	228	=	820

Oefening 3
1.	467	+	224	=	691
2.	977	+	480	=	1.457
3.	981	+	889	=	1.870
4.	837	+	385	=	1.222
5.	706	+	348	=	1.054
6.	658	+	626	=	1.284
7.	943	+	532	=	1.475
8.	521	+	404	=	925
9.	636	+	420	=	1.056
10.	782	+	296	=	1.078

Oefening 4
1.	352	+	312	=	664
2.	973	+	269	=	1.242
3.	687	+	312	=	999
4.	732	+	646	=	1.378
5.	930	+	678	=	1.608
6.	800	+	213	=	1.013
7.	917	+	324	=	1.241
8.	559	+	212	=	771
9.	245	+	221	=	466
10.	940	+	315	=	1.255