Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	153	+		=	272
2.	350	+		=	628
3.	366	+		=	481
4.	323	+		=	547
5.	448	+		=	682
6.	450	+		=	837
7.	326	+		=	614
8.	464	+		=	739
9.	316	+		=	522
10.	358	+		=	554

Oefening 2
1.	439	+		=	678
2.	404	+		=	762
3.	393	+		=	627
4.	354	+		=	707
5.	448	+		=	821
6.	440	+		=	615
7.	404	+		=	614
8.	426	+		=	631
9.	426	+		=	592
10.	487	+		=	743

Oefening 3
1.	294	+		=	494
2.	438	+		=	851
3.	367	+		=	496
4.	162	+		=	317
5.	180	+		=	300
6.	459	+		=	842
7.	320	+		=	510
8.	394	+		=	557
9.	371	+		=	643
10.	275	+		=	395

Oefening 4
1.	459	+		=	615
2.	492	+		=	817
3.	190	+		=	360
4.	403	+		=	676
5.	154	+		=	267
6.	171	+		=	318
7.	494	+		=	684
8.	306	+		=	554
9.	261	+		=	431
10.	458	+		=	864

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	153	+	119	=	272
2.	350	+	278	=	628
3.	366	+	115	=	481
4.	323	+	224	=	547
5.	448	+	234	=	682
6.	450	+	387	=	837
7.	326	+	288	=	614
8.	464	+	275	=	739
9.	316	+	206	=	522
10.	358	+	196	=	554

Oefening 2
1.	439	+	239	=	678
2.	404	+	358	=	762
3.	393	+	234	=	627
4.	354	+	353	=	707
5.	448	+	373	=	821
6.	440	+	175	=	615
7.	404	+	210	=	614
8.	426	+	205	=	631
9.	426	+	166	=	592
10.	487	+	256	=	743

Oefening 3
1.	294	+	200	=	494
2.	438	+	413	=	851
3.	367	+	129	=	496
4.	162	+	155	=	317
5.	180	+	120	=	300
6.	459	+	383	=	842
7.	320	+	190	=	510
8.	394	+	163	=	557
9.	371	+	272	=	643
10.	275	+	120	=	395

Oefening 4
1.	459	+	156	=	615
2.	492	+	325	=	817
3.	190	+	170	=	360
4.	403	+	273	=	676
5.	154	+	113	=	267
6.	171	+	147	=	318
7.	494	+	190	=	684
8.	306	+	248	=	554
9.	261	+	170	=	431
10.	458	+	406	=	864