Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	869	+		=	1.691
2.	984	+		=	1.388
3.	876	+		=	1.492
4.	462	+		=	859
5.	830	+		=	1.326
6.	867	+		=	1.708
7.	244	+		=	452
8.	838	+		=	1.353
9.	669	+		=	1.246
10.	349	+		=	593

Oefening 2
1.	306	+		=	596
2.	352	+		=	570
3.	943	+		=	1.599
4.	802	+		=	1.381
5.	994	+		=	1.680
6.	836	+		=	1.523
7.	618	+		=	1.132
8.	667	+		=	983
9.	542	+		=	775
10.	425	+		=	640

Oefening 3
1.	775	+		=	1.007
2.	792	+		=	1.326
3.	699	+		=	1.352
4.	974	+		=	1.459
5.	787	+		=	1.158
6.	625	+		=	861
7.	231	+		=	449
8.	948	+		=	1.823
9.	828	+		=	1.593
10.	649	+		=	1.214

Oefening 4
1.	535	+		=	805
2.	953	+		=	1.612
3.	933	+		=	1.713
4.	980	+		=	1.922
5.	942	+		=	1.829
6.	610	+		=	1.039
7.	874	+		=	1.460
8.	586	+		=	827
9.	732	+		=	1.171
10.	998	+		=	1.899

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	869	+	822	=	1.691
2.	984	+	404	=	1.388
3.	876	+	616	=	1.492
4.	462	+	397	=	859
5.	830	+	496	=	1.326
6.	867	+	841	=	1.708
7.	244	+	208	=	452
8.	838	+	515	=	1.353
9.	669	+	577	=	1.246
10.	349	+	244	=	593

Oefening 2
1.	306	+	290	=	596
2.	352	+	218	=	570
3.	943	+	656	=	1.599
4.	802	+	579	=	1.381
5.	994	+	686	=	1.680
6.	836	+	687	=	1.523
7.	618	+	514	=	1.132
8.	667	+	316	=	983
9.	542	+	233	=	775
10.	425	+	215	=	640

Oefening 3
1.	775	+	232	=	1.007
2.	792	+	534	=	1.326
3.	699	+	653	=	1.352
4.	974	+	485	=	1.459
5.	787	+	371	=	1.158
6.	625	+	236	=	861
7.	231	+	218	=	449
8.	948	+	875	=	1.823
9.	828	+	765	=	1.593
10.	649	+	565	=	1.214

Oefening 4
1.	535	+	270	=	805
2.	953	+	659	=	1.612
3.	933	+	780	=	1.713
4.	980	+	942	=	1.922
5.	942	+	887	=	1.829
6.	610	+	429	=	1.039
7.	874	+	586	=	1.460
8.	586	+	241	=	827
9.	732	+	439	=	1.171
10.	998	+	901	=	1.899