Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	390	+		=	743
2.	603	+		=	1.085
3.	995	+		=	1.701
4.	963	+		=	1.496
5.	919	+		=	1.452
6.	514	+		=	952
7.	654	+		=	1.267
8.	990	+		=	1.403
9.	358	+		=	680
10.	496	+		=	905

Oefening 2
1.	751	+		=	1.017
2.	758	+		=	1.404
3.	763	+		=	1.224
4.	557	+		=	776
5.	781	+		=	1.353
6.	978	+		=	1.931
7.	598	+		=	834
8.	733	+		=	1.451
9.	706	+		=	1.198
10.	884	+		=	1.252

Oefening 3
1.	923	+		=	1.477
2.	883	+		=	1.211
3.	774	+		=	1.084
4.	780	+		=	1.010
5.	812	+		=	1.124
6.	282	+		=	519
7.	959	+		=	1.699
8.	610	+		=	964
9.	783	+		=	1.354
10.	882	+		=	1.666

Oefening 4
1.	793	+		=	1.122
2.	761	+		=	1.012
3.	776	+		=	1.347
4.	715	+		=	1.070
5.	644	+		=	990
6.	889	+		=	1.761
7.	575	+		=	1.136
8.	962	+		=	1.678
9.	852	+		=	1.260
10.	805	+		=	1.005

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	390	+	353	=	743
2.	603	+	482	=	1.085
3.	995	+	706	=	1.701
4.	963	+	533	=	1.496
5.	919	+	533	=	1.452
6.	514	+	438	=	952
7.	654	+	613	=	1.267
8.	990	+	413	=	1.403
9.	358	+	322	=	680
10.	496	+	409	=	905

Oefening 2
1.	751	+	266	=	1.017
2.	758	+	646	=	1.404
3.	763	+	461	=	1.224
4.	557	+	219	=	776
5.	781	+	572	=	1.353
6.	978	+	953	=	1.931
7.	598	+	236	=	834
8.	733	+	718	=	1.451
9.	706	+	492	=	1.198
10.	884	+	368	=	1.252

Oefening 3
1.	923	+	554	=	1.477
2.	883	+	328	=	1.211
3.	774	+	310	=	1.084
4.	780	+	230	=	1.010
5.	812	+	312	=	1.124
6.	282	+	237	=	519
7.	959	+	740	=	1.699
8.	610	+	354	=	964
9.	783	+	571	=	1.354
10.	882	+	784	=	1.666

Oefening 4
1.	793	+	329	=	1.122
2.	761	+	251	=	1.012
3.	776	+	571	=	1.347
4.	715	+	355	=	1.070
5.	644	+	346	=	990
6.	889	+	872	=	1.761
7.	575	+	561	=	1.136
8.	962	+	716	=	1.678
9.	852	+	408	=	1.260
10.	805	+	200	=	1.005