Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	304	+		=	521
2.	423	+		=	732
3.	570	+		=	1.031
4.	963	+		=	1.304
5.	947	+		=	1.291
6.	994	+		=	1.606
7.	544	+		=	839
8.	808	+		=	1.039
9.	902	+		=	1.107
10.	743	+		=	1.091

Oefening 2
1.	852	+		=	1.601
2.	966	+		=	1.325
3.	947	+		=	1.386
4.	609	+		=	1.098
5.	858	+		=	1.559
6.	820	+		=	1.393
7.	653	+		=	992
8.	621	+		=	823
9.	918	+		=	1.485
10.	707	+		=	912

Oefening 3
1.	531	+		=	881
2.	663	+		=	1.216
3.	973	+		=	1.242
4.	948	+		=	1.338
5.	836	+		=	1.067
6.	543	+		=	1.001
7.	940	+		=	1.317
8.	927	+		=	1.556
9.	914	+		=	1.649
10.	921	+		=	1.207

Oefening 4
1.	818	+		=	1.057
2.	747	+		=	1.133
3.	983	+		=	1.804
4.	869	+		=	1.724
5.	422	+		=	816
6.	932	+		=	1.455
7.	860	+		=	1.422
8.	905	+		=	1.589
9.	583	+		=	978
10.	708	+		=	967

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	304	+	217	=	521
2.	423	+	309	=	732
3.	570	+	461	=	1.031
4.	963	+	341	=	1.304
5.	947	+	344	=	1.291
6.	994	+	612	=	1.606
7.	544	+	295	=	839
8.	808	+	231	=	1.039
9.	902	+	205	=	1.107
10.	743	+	348	=	1.091

Oefening 2
1.	852	+	749	=	1.601
2.	966	+	359	=	1.325
3.	947	+	439	=	1.386
4.	609	+	489	=	1.098
5.	858	+	701	=	1.559
6.	820	+	573	=	1.393
7.	653	+	339	=	992
8.	621	+	202	=	823
9.	918	+	567	=	1.485
10.	707	+	205	=	912

Oefening 3
1.	531	+	350	=	881
2.	663	+	553	=	1.216
3.	973	+	269	=	1.242
4.	948	+	390	=	1.338
5.	836	+	231	=	1.067
6.	543	+	458	=	1.001
7.	940	+	377	=	1.317
8.	927	+	629	=	1.556
9.	914	+	735	=	1.649
10.	921	+	286	=	1.207

Oefening 4
1.	818	+	239	=	1.057
2.	747	+	386	=	1.133
3.	983	+	821	=	1.804
4.	869	+	855	=	1.724
5.	422	+	394	=	816
6.	932	+	523	=	1.455
7.	860	+	562	=	1.422
8.	905	+	684	=	1.589
9.	583	+	395	=	978
10.	708	+	259	=	967