Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	686	+		=	1.239
2.	726	+		=	1.440
3.	600	+		=	1.187
4.	905	+		=	1.262
5.	253	+		=	473
6.	541	+		=	889
7.	491	+		=	708
8.	705	+		=	1.165
9.	414	+		=	654
10.	887	+		=	1.641

Oefening 2
1.	891	+		=	1.147
2.	376	+		=	662
3.	501	+		=	844
4.	999	+		=	1.813
5.	492	+		=	863
6.	483	+		=	892
7.	638	+		=	1.142
8.	987	+		=	1.736
9.	331	+		=	652
10.	731	+		=	1.413

Oefening 3
1.	963	+		=	1.765
2.	609	+		=	1.213
3.	935	+		=	1.280
4.	883	+		=	1.230
5.	424	+		=	812
6.	929	+		=	1.643
7.	503	+		=	869
8.	542	+		=	743
9.	454	+		=	865
10.	233	+		=	454

Oefening 4
1.	920	+		=	1.465
2.	831	+		=	1.601
3.	842	+		=	1.320
4.	806	+		=	1.280
5.	627	+		=	1.121
6.	701	+		=	1.326
7.	499	+		=	976
8.	843	+		=	1.148
9.	850	+		=	1.371
10.	772	+		=	1.048

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	686	+	553	=	1.239
2.	726	+	714	=	1.440
3.	600	+	587	=	1.187
4.	905	+	357	=	1.262
5.	253	+	220	=	473
6.	541	+	348	=	889
7.	491	+	217	=	708
8.	705	+	460	=	1.165
9.	414	+	240	=	654
10.	887	+	754	=	1.641

Oefening 2
1.	891	+	256	=	1.147
2.	376	+	286	=	662
3.	501	+	343	=	844
4.	999	+	814	=	1.813
5.	492	+	371	=	863
6.	483	+	409	=	892
7.	638	+	504	=	1.142
8.	987	+	749	=	1.736
9.	331	+	321	=	652
10.	731	+	682	=	1.413

Oefening 3
1.	963	+	802	=	1.765
2.	609	+	604	=	1.213
3.	935	+	345	=	1.280
4.	883	+	347	=	1.230
5.	424	+	388	=	812
6.	929	+	714	=	1.643
7.	503	+	366	=	869
8.	542	+	201	=	743
9.	454	+	411	=	865
10.	233	+	221	=	454

Oefening 4
1.	920	+	545	=	1.465
2.	831	+	770	=	1.601
3.	842	+	478	=	1.320
4.	806	+	474	=	1.280
5.	627	+	494	=	1.121
6.	701	+	625	=	1.326
7.	499	+	477	=	976
8.	843	+	305	=	1.148
9.	850	+	521	=	1.371
10.	772	+	276	=	1.048