Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	490	+		=	705
2.	614	+		=	1.223
3.	758	+		=	971
4.	716	+		=	1.160
5.	546	+		=	754
6.	993	+		=	1.407
7.	929	+		=	1.233
8.	586	+		=	936
9.	579	+		=	1.150
10.	703	+		=	1.213

Oefening 2
1.	664	+		=	997
2.	669	+		=	1.165
3.	921	+		=	1.447
4.	553	+		=	1.088
5.	712	+		=	1.324
6.	979	+		=	1.853
7.	560	+		=	963
8.	606	+		=	1.123
9.	975	+		=	1.264
10.	498	+		=	743

Oefening 3
1.	982	+		=	1.925
2.	729	+		=	1.005
3.	689	+		=	1.201
4.	833	+		=	1.177
5.	839	+		=	1.603
6.	785	+		=	1.361
7.	388	+		=	774
8.	935	+		=	1.280
9.	691	+		=	1.002
10.	306	+		=	588

Oefening 4
1.	971	+		=	1.764
2.	346	+		=	574
3.	439	+		=	829
4.	667	+		=	1.284
5.	856	+		=	1.656
6.	557	+		=	997
7.	856	+		=	1.124
8.	963	+		=	1.537
9.	972	+		=	1.612
10.	551	+		=	912

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	490	+	215	=	705
2.	614	+	609	=	1.223
3.	758	+	213	=	971
4.	716	+	444	=	1.160
5.	546	+	208	=	754
6.	993	+	414	=	1.407
7.	929	+	304	=	1.233
8.	586	+	350	=	936
9.	579	+	571	=	1.150
10.	703	+	510	=	1.213

Oefening 2
1.	664	+	333	=	997
2.	669	+	496	=	1.165
3.	921	+	526	=	1.447
4.	553	+	535	=	1.088
5.	712	+	612	=	1.324
6.	979	+	874	=	1.853
7.	560	+	403	=	963
8.	606	+	517	=	1.123
9.	975	+	289	=	1.264
10.	498	+	245	=	743

Oefening 3
1.	982	+	943	=	1.925
2.	729	+	276	=	1.005
3.	689	+	512	=	1.201
4.	833	+	344	=	1.177
5.	839	+	764	=	1.603
6.	785	+	576	=	1.361
7.	388	+	386	=	774
8.	935	+	345	=	1.280
9.	691	+	311	=	1.002
10.	306	+	282	=	588

Oefening 4
1.	971	+	793	=	1.764
2.	346	+	228	=	574
3.	439	+	390	=	829
4.	667	+	617	=	1.284
5.	856	+	800	=	1.656
6.	557	+	440	=	997
7.	856	+	268	=	1.124
8.	963	+	574	=	1.537
9.	972	+	640	=	1.612
10.	551	+	361	=	912