Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	493	+		=	621
2.	373	+		=	552
3.	440	+		=	659
4.	252	+		=	456
5.	345	+		=	525
6.	419	+		=	720
7.	282	+		=	513
8.	381	+		=	690
9.	225	+		=	336
10.	275	+		=	447

Oefening 2
1.	443	+		=	648
2.	404	+		=	721
3.	383	+		=	570
4.	223	+		=	340
5.	488	+		=	652
6.	209	+		=	317
7.	375	+		=	475
8.	386	+		=	628
9.	479	+		=	708
10.	417	+		=	714

Oefening 3
1.	451	+		=	779
2.	470	+		=	760
3.	340	+		=	527
4.	211	+		=	399
5.	212	+		=	382
6.	322	+		=	614
7.	178	+		=	278
8.	351	+		=	461
9.	497	+		=	858
10.	148	+		=	283

Oefening 4
1.	323	+		=	483
2.	374	+		=	514
3.	486	+		=	950
4.	462	+		=	569
5.	329	+		=	477
6.	194	+		=	319
7.	364	+		=	726
8.	309	+		=	509
9.	382	+		=	500
10.	390	+		=	739

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	493	+	128	=	621
2.	373	+	179	=	552
3.	440	+	219	=	659
4.	252	+	204	=	456
5.	345	+	180	=	525
6.	419	+	301	=	720
7.	282	+	231	=	513
8.	381	+	309	=	690
9.	225	+	111	=	336
10.	275	+	172	=	447

Oefening 2
1.	443	+	205	=	648
2.	404	+	317	=	721
3.	383	+	187	=	570
4.	223	+	117	=	340
5.	488	+	164	=	652
6.	209	+	108	=	317
7.	375	+	100	=	475
8.	386	+	242	=	628
9.	479	+	229	=	708
10.	417	+	297	=	714

Oefening 3
1.	451	+	328	=	779
2.	470	+	290	=	760
3.	340	+	187	=	527
4.	211	+	188	=	399
5.	212	+	170	=	382
6.	322	+	292	=	614
7.	178	+	100	=	278
8.	351	+	110	=	461
9.	497	+	361	=	858
10.	148	+	135	=	283

Oefening 4
1.	323	+	160	=	483
2.	374	+	140	=	514
3.	486	+	464	=	950
4.	462	+	107	=	569
5.	329	+	148	=	477
6.	194	+	125	=	319
7.	364	+	362	=	726
8.	309	+	200	=	509
9.	382	+	118	=	500
10.	390	+	349	=	739