Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	441	+		=	838
2.	911	+		=	1.706
3.	458	+		=	789
4.	822	+		=	1.228
5.	901	+		=	1.793
6.	730	+		=	1.190
7.	775	+		=	1.492
8.	793	+		=	1.480
9.	940	+		=	1.696
10.	518	+		=	950

Oefening 2
1.	764	+		=	1.488
2.	511	+		=	992
3.	521	+		=	841
4.	596	+		=	873
5.	773	+		=	1.169
6.	529	+		=	791
7.	868	+		=	1.069
8.	493	+		=	738
9.	850	+		=	1.430
10.	665	+		=	1.037

Oefening 3
1.	480	+		=	951
2.	795	+		=	1.281
3.	529	+		=	937
4.	775	+		=	1.169
5.	948	+		=	1.154
6.	908	+		=	1.490
7.	939	+		=	1.284
8.	687	+		=	899
9.	819	+		=	1.344
10.	596	+		=	885

Oefening 4
1.	903	+		=	1.642
2.	908	+		=	1.332
3.	867	+		=	1.093
4.	933	+		=	1.814
5.	751	+		=	1.341
6.	475	+		=	716
7.	940	+		=	1.663
8.	939	+		=	1.477
9.	960	+		=	1.636
10.	430	+		=	818

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	441	+	397	=	838
2.	911	+	795	=	1.706
3.	458	+	331	=	789
4.	822	+	406	=	1.228
5.	901	+	892	=	1.793
6.	730	+	460	=	1.190
7.	775	+	717	=	1.492
8.	793	+	687	=	1.480
9.	940	+	756	=	1.696
10.	518	+	432	=	950

Oefening 2
1.	764	+	724	=	1.488
2.	511	+	481	=	992
3.	521	+	320	=	841
4.	596	+	277	=	873
5.	773	+	396	=	1.169
6.	529	+	262	=	791
7.	868	+	201	=	1.069
8.	493	+	245	=	738
9.	850	+	580	=	1.430
10.	665	+	372	=	1.037

Oefening 3
1.	480	+	471	=	951
2.	795	+	486	=	1.281
3.	529	+	408	=	937
4.	775	+	394	=	1.169
5.	948	+	206	=	1.154
6.	908	+	582	=	1.490
7.	939	+	345	=	1.284
8.	687	+	212	=	899
9.	819	+	525	=	1.344
10.	596	+	289	=	885

Oefening 4
1.	903	+	739	=	1.642
2.	908	+	424	=	1.332
3.	867	+	226	=	1.093
4.	933	+	881	=	1.814
5.	751	+	590	=	1.341
6.	475	+	241	=	716
7.	940	+	723	=	1.663
8.	939	+	538	=	1.477
9.	960	+	676	=	1.636
10.	430	+	388	=	818