Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	680	+		=	1.004
2.	547	+		=	1.033
3.	744	+		=	1.314
4.	680	+		=	891
5.	831	+		=	1.154
6.	971	+		=	1.393
7.	772	+		=	1.352
8.	939	+		=	1.589
9.	776	+		=	1.131
10.	705	+		=	1.063

Oefening 2
1.	422	+		=	633
2.	445	+		=	837
3.	853	+		=	1.095
4.	661	+		=	1.088
5.	825	+		=	1.177
6.	808	+		=	1.293
7.	329	+		=	656
8.	948	+		=	1.412
9.	560	+		=	804
10.	571	+		=	1.124

Oefening 3
1.	531	+		=	813
2.	709	+		=	1.070
3.	941	+		=	1.459
4.	639	+		=	1.114
5.	690	+		=	1.308
6.	748	+		=	1.223
7.	714	+		=	1.368
8.	923	+		=	1.251
9.	800	+		=	1.347
10.	958	+		=	1.228

Oefening 4
1.	908	+		=	1.816
2.	477	+		=	802
3.	755	+		=	1.278
4.	431	+		=	713
5.	482	+		=	915
6.	705	+		=	990
7.	552	+		=	768
8.	812	+		=	1.603
9.	701	+		=	1.298
10.	662	+		=	1.183

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	680	+	324	=	1.004
2.	547	+	486	=	1.033
3.	744	+	570	=	1.314
4.	680	+	211	=	891
5.	831	+	323	=	1.154
6.	971	+	422	=	1.393
7.	772	+	580	=	1.352
8.	939	+	650	=	1.589
9.	776	+	355	=	1.131
10.	705	+	358	=	1.063

Oefening 2
1.	422	+	211	=	633
2.	445	+	392	=	837
3.	853	+	242	=	1.095
4.	661	+	427	=	1.088
5.	825	+	352	=	1.177
6.	808	+	485	=	1.293
7.	329	+	327	=	656
8.	948	+	464	=	1.412
9.	560	+	244	=	804
10.	571	+	553	=	1.124

Oefening 3
1.	531	+	282	=	813
2.	709	+	361	=	1.070
3.	941	+	518	=	1.459
4.	639	+	475	=	1.114
5.	690	+	618	=	1.308
6.	748	+	475	=	1.223
7.	714	+	654	=	1.368
8.	923	+	328	=	1.251
9.	800	+	547	=	1.347
10.	958	+	270	=	1.228

Oefening 4
1.	908	+	908	=	1.816
2.	477	+	325	=	802
3.	755	+	523	=	1.278
4.	431	+	282	=	713
5.	482	+	433	=	915
6.	705	+	285	=	990
7.	552	+	216	=	768
8.	812	+	791	=	1.603
9.	701	+	597	=	1.298
10.	662	+	521	=	1.183