Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	671	+		=	1.305
2.	425	+		=	662
3.	852	+		=	1.189
4.	502	+		=	717
5.	690	+		=	1.028
6.	672	+		=	1.113
7.	260	+		=	509
8.	779	+		=	1.429
9.	463	+		=	839
10.	652	+		=	1.140

Oefening 2
1.	528	+		=	925
2.	293	+		=	534
3.	843	+		=	1.080
4.	631	+		=	929
5.	712	+		=	1.137
6.	976	+		=	1.382
7.	857	+		=	1.139
8.	880	+		=	1.692
9.	976	+		=	1.882
10.	691	+		=	1.154

Oefening 3
1.	975	+		=	1.401
2.	848	+		=	1.481
3.	833	+		=	1.199
4.	794	+		=	1.029
5.	990	+		=	1.392
6.	990	+		=	1.959
7.	931	+		=	1.658
8.	609	+		=	1.177
9.	967	+		=	1.834
10.	890	+		=	1.490

Oefening 4
1.	731	+		=	1.034
2.	779	+		=	1.071
3.	987	+		=	1.971
4.	963	+		=	1.680
5.	814	+		=	1.614
6.	914	+		=	1.400
7.	605	+		=	1.005
8.	485	+		=	798
9.	823	+		=	1.611
10.	998	+		=	1.699

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	671	+	634	=	1.305
2.	425	+	237	=	662
3.	852	+	337	=	1.189
4.	502	+	215	=	717
5.	690	+	338	=	1.028
6.	672	+	441	=	1.113
7.	260	+	249	=	509
8.	779	+	650	=	1.429
9.	463	+	376	=	839
10.	652	+	488	=	1.140

Oefening 2
1.	528	+	397	=	925
2.	293	+	241	=	534
3.	843	+	237	=	1.080
4.	631	+	298	=	929
5.	712	+	425	=	1.137
6.	976	+	406	=	1.382
7.	857	+	282	=	1.139
8.	880	+	812	=	1.692
9.	976	+	906	=	1.882
10.	691	+	463	=	1.154

Oefening 3
1.	975	+	426	=	1.401
2.	848	+	633	=	1.481
3.	833	+	366	=	1.199
4.	794	+	235	=	1.029
5.	990	+	402	=	1.392
6.	990	+	969	=	1.959
7.	931	+	727	=	1.658
8.	609	+	568	=	1.177
9.	967	+	867	=	1.834
10.	890	+	600	=	1.490

Oefening 4
1.	731	+	303	=	1.034
2.	779	+	292	=	1.071
3.	987	+	984	=	1.971
4.	963	+	717	=	1.680
5.	814	+	800	=	1.614
6.	914	+	486	=	1.400
7.	605	+	400	=	1.005
8.	485	+	313	=	798
9.	823	+	788	=	1.611
10.	998	+	701	=	1.699