Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	502	+		=	777
2.	875	+		=	1.180
3.	986	+		=	1.369
4.	999	+		=	1.599
5.	681	+		=	946
6.	370	+		=	645
7.	492	+		=	728
8.	385	+		=	737
9.	849	+		=	1.368
10.	911	+		=	1.213

Oefening 2
1.	845	+		=	1.080
2.	854	+		=	1.251
3.	914	+		=	1.666
4.	876	+		=	1.540
5.	603	+		=	884
6.	989	+		=	1.319
7.	989	+		=	1.312
8.	831	+		=	1.141
9.	776	+		=	1.529
10.	799	+		=	1.180

Oefening 3
1.	678	+		=	1.261
2.	692	+		=	1.307
3.	685	+		=	918
4.	300	+		=	542
5.	734	+		=	1.306
6.	537	+		=	989
7.	845	+		=	1.258
8.	665	+		=	921
9.	702	+		=	1.070
10.	544	+		=	864

Oefening 4
1.	793	+		=	1.007
2.	317	+		=	592
3.	656	+		=	1.126
4.	736	+		=	1.420
5.	509	+		=	928
6.	686	+		=	994
7.	979	+		=	1.339
8.	615	+		=	981
9.	750	+		=	1.035
10.	812	+		=	1.090

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	502	+	275	=	777
2.	875	+	305	=	1.180
3.	986	+	383	=	1.369
4.	999	+	600	=	1.599
5.	681	+	265	=	946
6.	370	+	275	=	645
7.	492	+	236	=	728
8.	385	+	352	=	737
9.	849	+	519	=	1.368
10.	911	+	302	=	1.213

Oefening 2
1.	845	+	235	=	1.080
2.	854	+	397	=	1.251
3.	914	+	752	=	1.666
4.	876	+	664	=	1.540
5.	603	+	281	=	884
6.	989	+	330	=	1.319
7.	989	+	323	=	1.312
8.	831	+	310	=	1.141
9.	776	+	753	=	1.529
10.	799	+	381	=	1.180

Oefening 3
1.	678	+	583	=	1.261
2.	692	+	615	=	1.307
3.	685	+	233	=	918
4.	300	+	242	=	542
5.	734	+	572	=	1.306
6.	537	+	452	=	989
7.	845	+	413	=	1.258
8.	665	+	256	=	921
9.	702	+	368	=	1.070
10.	544	+	320	=	864

Oefening 4
1.	793	+	214	=	1.007
2.	317	+	275	=	592
3.	656	+	470	=	1.126
4.	736	+	684	=	1.420
5.	509	+	419	=	928
6.	686	+	308	=	994
7.	979	+	360	=	1.339
8.	615	+	366	=	981
9.	750	+	285	=	1.035
10.	812	+	278	=	1.090