Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	861	+		=	1.587
2.	545	+		=	828
3.	431	+		=	749
4.	921	+		=	1.141
5.	459	+		=	905
6.	683	+		=	898
7.	788	+		=	1.399
8.	891	+		=	1.329
9.	905	+		=	1.283
10.	570	+		=	1.073

Oefening 2
1.	863	+		=	1.655
2.	525	+		=	962
3.	732	+		=	1.394
4.	437	+		=	869
5.	619	+		=	1.098
6.	927	+		=	1.555
7.	969	+		=	1.685
8.	752	+		=	1.133
9.	935	+		=	1.135
10.	621	+		=	973

Oefening 3
1.	544	+		=	805
2.	769	+		=	1.026
3.	990	+		=	1.861
4.	604	+		=	1.110
5.	653	+		=	934
6.	950	+		=	1.401
7.	409	+		=	634
8.	576	+		=	892
9.	698	+		=	917
10.	587	+		=	911

Oefening 4
1.	642	+		=	1.273
2.	766	+		=	1.222
3.	887	+		=	1.490
4.	513	+		=	825
5.	772	+		=	1.087
6.	389	+		=	689
7.	733	+		=	1.144
8.	738	+		=	1.133
9.	767	+		=	1.146
10.	913	+		=	1.323

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	861	+	726	=	1.587
2.	545	+	283	=	828
3.	431	+	318	=	749
4.	921	+	220	=	1.141
5.	459	+	446	=	905
6.	683	+	215	=	898
7.	788	+	611	=	1.399
8.	891	+	438	=	1.329
9.	905	+	378	=	1.283
10.	570	+	503	=	1.073

Oefening 2
1.	863	+	792	=	1.655
2.	525	+	437	=	962
3.	732	+	662	=	1.394
4.	437	+	432	=	869
5.	619	+	479	=	1.098
6.	927	+	628	=	1.555
7.	969	+	716	=	1.685
8.	752	+	381	=	1.133
9.	935	+	200	=	1.135
10.	621	+	352	=	973

Oefening 3
1.	544	+	261	=	805
2.	769	+	257	=	1.026
3.	990	+	871	=	1.861
4.	604	+	506	=	1.110
5.	653	+	281	=	934
6.	950	+	451	=	1.401
7.	409	+	225	=	634
8.	576	+	316	=	892
9.	698	+	219	=	917
10.	587	+	324	=	911

Oefening 4
1.	642	+	631	=	1.273
2.	766	+	456	=	1.222
3.	887	+	603	=	1.490
4.	513	+	312	=	825
5.	772	+	315	=	1.087
6.	389	+	300	=	689
7.	733	+	411	=	1.144
8.	738	+	395	=	1.133
9.	767	+	379	=	1.146
10.	913	+	410	=	1.323