Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	817	+		=	1.177
2.	787	+		=	1.526
3.	483	+		=	683
4.	922	+		=	1.663
5.	886	+		=	1.333
6.	289	+		=	577
7.	896	+		=	1.103
8.	845	+		=	1.690
9.	808	+		=	1.237
10.	914	+		=	1.269

Oefening 2
1.	654	+		=	971
2.	898	+		=	1.256
3.	640	+		=	1.101
4.	605	+		=	836
5.	728	+		=	984
6.	519	+		=	800
7.	934	+		=	1.726
8.	759	+		=	1.150
9.	585	+		=	952
10.	914	+		=	1.292

Oefening 3
1.	625	+		=	1.030
2.	741	+		=	1.154
3.	870	+		=	1.433
4.	767	+		=	1.371
5.	426	+		=	728
6.	732	+		=	1.148
7.	783	+		=	1.515
8.	980	+		=	1.522
9.	618	+		=	1.141
10.	880	+		=	1.488

Oefening 4
1.	278	+		=	508
2.	376	+		=	685
3.	837	+		=	1.323
4.	566	+		=	824
5.	868	+		=	1.273
6.	889	+		=	1.541
7.	437	+		=	714
8.	606	+		=	1.118
9.	576	+		=	866
10.	660	+		=	1.280

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	817	+	360	=	1.177
2.	787	+	739	=	1.526
3.	483	+	200	=	683
4.	922	+	741	=	1.663
5.	886	+	447	=	1.333
6.	289	+	288	=	577
7.	896	+	207	=	1.103
8.	845	+	845	=	1.690
9.	808	+	429	=	1.237
10.	914	+	355	=	1.269

Oefening 2
1.	654	+	317	=	971
2.	898	+	358	=	1.256
3.	640	+	461	=	1.101
4.	605	+	231	=	836
5.	728	+	256	=	984
6.	519	+	281	=	800
7.	934	+	792	=	1.726
8.	759	+	391	=	1.150
9.	585	+	367	=	952
10.	914	+	378	=	1.292

Oefening 3
1.	625	+	405	=	1.030
2.	741	+	413	=	1.154
3.	870	+	563	=	1.433
4.	767	+	604	=	1.371
5.	426	+	302	=	728
6.	732	+	416	=	1.148
7.	783	+	732	=	1.515
8.	980	+	542	=	1.522
9.	618	+	523	=	1.141
10.	880	+	608	=	1.488

Oefening 4
1.	278	+	230	=	508
2.	376	+	309	=	685
3.	837	+	486	=	1.323
4.	566	+	258	=	824
5.	868	+	405	=	1.273
6.	889	+	652	=	1.541
7.	437	+	277	=	714
8.	606	+	512	=	1.118
9.	576	+	290	=	866
10.	660	+	620	=	1.280