Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	352	+		=	682
2.	472	+		=	595
3.	383	+		=	609
4.	453	+		=	896
5.	247	+		=	481
6.	377	+		=	614
7.	310	+		=	573
8.	339	+		=	623
9.	324	+		=	597
10.	474	+		=	833

Oefening 2
1.	481	+		=	746
2.	245	+		=	367
3.	275	+		=	391
4.	215	+		=	395
5.	345	+		=	525
6.	415	+		=	707
7.	394	+		=	732
8.	415	+		=	660
9.	298	+		=	530
10.	494	+		=	906

Oefening 3
1.	402	+		=	550
2.	371	+		=	509
3.	274	+		=	531
4.	421	+		=	611
5.	462	+		=	648
6.	395	+		=	528
7.	364	+		=	508
8.	406	+		=	585
9.	396	+		=	542
10.	406	+		=	548

Oefening 4
1.	419	+		=	805
2.	350	+		=	667
3.	235	+		=	426
4.	484	+		=	752
5.	287	+		=	531
6.	451	+		=	605
7.	495	+		=	850
8.	460	+		=	792
9.	286	+		=	436
10.	364	+		=	678

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	352	+	330	=	682
2.	472	+	123	=	595
3.	383	+	226	=	609
4.	453	+	443	=	896
5.	247	+	234	=	481
6.	377	+	237	=	614
7.	310	+	263	=	573
8.	339	+	284	=	623
9.	324	+	273	=	597
10.	474	+	359	=	833

Oefening 2
1.	481	+	265	=	746
2.	245	+	122	=	367
3.	275	+	116	=	391
4.	215	+	180	=	395
5.	345	+	180	=	525
6.	415	+	292	=	707
7.	394	+	338	=	732
8.	415	+	245	=	660
9.	298	+	232	=	530
10.	494	+	412	=	906

Oefening 3
1.	402	+	148	=	550
2.	371	+	138	=	509
3.	274	+	257	=	531
4.	421	+	190	=	611
5.	462	+	186	=	648
6.	395	+	133	=	528
7.	364	+	144	=	508
8.	406	+	179	=	585
9.	396	+	146	=	542
10.	406	+	142	=	548

Oefening 4
1.	419	+	386	=	805
2.	350	+	317	=	667
3.	235	+	191	=	426
4.	484	+	268	=	752
5.	287	+	244	=	531
6.	451	+	154	=	605
7.	495	+	355	=	850
8.	460	+	332	=	792
9.	286	+	150	=	436
10.	364	+	314	=	678