Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	441	+		=	869
2.	366	+		=	572
3.	224	+		=	422
4.	288	+		=	436
5.	196	+		=	380
6.	455	+		=	791
7.	227	+		=	350
8.	296	+		=	583
9.	451	+		=	900
10.	482	+		=	632

Oefening 2
1.	411	+		=	798
2.	353	+		=	642
3.	298	+		=	411
4.	284	+		=	530
5.	400	+		=	648
6.	393	+		=	655
7.	326	+		=	538
8.	448	+		=	809
9.	310	+		=	604
10.	428	+		=	829

Oefening 3
1.	335	+		=	635
2.	422	+		=	614
3.	475	+		=	664
4.	406	+		=	770
5.	439	+		=	564
6.	203	+		=	401
7.	341	+		=	446
8.	243	+		=	424
9.	482	+		=	881
10.	237	+		=	445

Oefening 4
1.	276	+		=	509
2.	175	+		=	315
3.	329	+		=	525
4.	350	+		=	667
5.	465	+		=	686
6.	321	+		=	517
7.	438	+		=	566
8.	392	+		=	580
9.	276	+		=	433
10.	340	+		=	645

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	441	+	428	=	869
2.	366	+	206	=	572
3.	224	+	198	=	422
4.	288	+	148	=	436
5.	196	+	184	=	380
6.	455	+	336	=	791
7.	227	+	123	=	350
8.	296	+	287	=	583
9.	451	+	449	=	900
10.	482	+	150	=	632

Oefening 2
1.	411	+	387	=	798
2.	353	+	289	=	642
3.	298	+	113	=	411
4.	284	+	246	=	530
5.	400	+	248	=	648
6.	393	+	262	=	655
7.	326	+	212	=	538
8.	448	+	361	=	809
9.	310	+	294	=	604
10.	428	+	401	=	829

Oefening 3
1.	335	+	300	=	635
2.	422	+	192	=	614
3.	475	+	189	=	664
4.	406	+	364	=	770
5.	439	+	125	=	564
6.	203	+	198	=	401
7.	341	+	105	=	446
8.	243	+	181	=	424
9.	482	+	399	=	881
10.	237	+	208	=	445

Oefening 4
1.	276	+	233	=	509
2.	175	+	140	=	315
3.	329	+	196	=	525
4.	350	+	317	=	667
5.	465	+	221	=	686
6.	321	+	196	=	517
7.	438	+	128	=	566
8.	392	+	188	=	580
9.	276	+	157	=	433
10.	340	+	305	=	645