Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	723	+		=	1.320
2.	449	+		=	668
3.	657	+		=	1.136
4.	498	+		=	941
5.	807	+		=	1.290
6.	720	+		=	1.378
7.	293	+		=	567
8.	969	+		=	1.855
9.	984	+		=	1.269
10.	648	+		=	1.148

Oefening 2
1.	907	+		=	1.318
2.	859	+		=	1.227
3.	618	+		=	998
4.	974	+		=	1.689
5.	701	+		=	1.205
6.	777	+		=	1.280
7.	532	+		=	853
8.	720	+		=	1.434
9.	931	+		=	1.860
10.	987	+		=	1.667

Oefening 3
1.	932	+		=	1.821
2.	878	+		=	1.678
3.	972	+		=	1.780
4.	308	+		=	559
5.	770	+		=	1.130
6.	938	+		=	1.605
7.	488	+		=	690
8.	753	+		=	1.072
9.	782	+		=	1.386
10.	928	+		=	1.689

Oefening 4
1.	471	+		=	936
2.	663	+		=	1.089
3.	657	+		=	1.081
4.	998	+		=	1.682
5.	682	+		=	1.042
6.	858	+		=	1.684
7.	998	+		=	1.883
8.	455	+		=	656
9.	942	+		=	1.737
10.	929	+		=	1.231

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	723	+	597	=	1.320
2.	449	+	219	=	668
3.	657	+	479	=	1.136
4.	498	+	443	=	941
5.	807	+	483	=	1.290
6.	720	+	658	=	1.378
7.	293	+	274	=	567
8.	969	+	886	=	1.855
9.	984	+	285	=	1.269
10.	648	+	500	=	1.148

Oefening 2
1.	907	+	411	=	1.318
2.	859	+	368	=	1.227
3.	618	+	380	=	998
4.	974	+	715	=	1.689
5.	701	+	504	=	1.205
6.	777	+	503	=	1.280
7.	532	+	321	=	853
8.	720	+	714	=	1.434
9.	931	+	929	=	1.860
10.	987	+	680	=	1.667

Oefening 3
1.	932	+	889	=	1.821
2.	878	+	800	=	1.678
3.	972	+	808	=	1.780
4.	308	+	251	=	559
5.	770	+	360	=	1.130
6.	938	+	667	=	1.605
7.	488	+	202	=	690
8.	753	+	319	=	1.072
9.	782	+	604	=	1.386
10.	928	+	761	=	1.689

Oefening 4
1.	471	+	465	=	936
2.	663	+	426	=	1.089
3.	657	+	424	=	1.081
4.	998	+	684	=	1.682
5.	682	+	360	=	1.042
6.	858	+	826	=	1.684
7.	998	+	885	=	1.883
8.	455	+	201	=	656
9.	942	+	795	=	1.737
10.	929	+	302	=	1.231