Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	987	+		=	1.555
2.	788	+		=	1.025
3.	952	+		=	1.520
4.	985	+		=	1.363
5.	852	+		=	1.344
6.	858	+		=	1.696
7.	799	+		=	1.327
8.	952	+		=	1.865
9.	624	+		=	864
10.	800	+		=	1.064

Oefening 2
1.	737	+		=	1.157
2.	867	+		=	1.390
3.	816	+		=	1.597
4.	576	+		=	1.118
5.	944	+		=	1.846
6.	784	+		=	1.388
7.	878	+		=	1.457
8.	614	+		=	834
9.	530	+		=	830
10.	854	+		=	1.572

Oefening 3
1.	576	+		=	916
2.	887	+		=	1.663
3.	944	+		=	1.218
4.	882	+		=	1.521
5.	816	+		=	1.074
6.	702	+		=	1.200
7.	928	+		=	1.588
8.	428	+		=	686
9.	560	+		=	975
10.	507	+		=	976

Oefening 4
1.	961	+		=	1.440
2.	879	+		=	1.310
3.	993	+		=	1.964
4.	840	+		=	1.313
5.	486	+		=	697
6.	958	+		=	1.551
7.	720	+		=	1.067
8.	908	+		=	1.328
9.	872	+		=	1.604
10.	789	+		=	1.064

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	987	+	568	=	1.555
2.	788	+	237	=	1.025
3.	952	+	568	=	1.520
4.	985	+	378	=	1.363
5.	852	+	492	=	1.344
6.	858	+	838	=	1.696
7.	799	+	528	=	1.327
8.	952	+	913	=	1.865
9.	624	+	240	=	864
10.	800	+	264	=	1.064

Oefening 2
1.	737	+	420	=	1.157
2.	867	+	523	=	1.390
3.	816	+	781	=	1.597
4.	576	+	542	=	1.118
5.	944	+	902	=	1.846
6.	784	+	604	=	1.388
7.	878	+	579	=	1.457
8.	614	+	220	=	834
9.	530	+	300	=	830
10.	854	+	718	=	1.572

Oefening 3
1.	576	+	340	=	916
2.	887	+	776	=	1.663
3.	944	+	274	=	1.218
4.	882	+	639	=	1.521
5.	816	+	258	=	1.074
6.	702	+	498	=	1.200
7.	928	+	660	=	1.588
8.	428	+	258	=	686
9.	560	+	415	=	975
10.	507	+	469	=	976

Oefening 4
1.	961	+	479	=	1.440
2.	879	+	431	=	1.310
3.	993	+	971	=	1.964
4.	840	+	473	=	1.313
5.	486	+	211	=	697
6.	958	+	593	=	1.551
7.	720	+	347	=	1.067
8.	908	+	420	=	1.328
9.	872	+	732	=	1.604
10.	789	+	275	=	1.064