Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	814	+		=	1.622
2.	921	+		=	1.165
3.	330	+		=	587
4.	987	+		=	1.277
5.	781	+		=	1.078
6.	458	+		=	901
7.	333	+		=	593
8.	811	+		=	1.389
9.	601	+		=	843
10.	579	+		=	1.031

Oefening 2
1.	794	+		=	1.355
2.	911	+		=	1.157
3.	667	+		=	1.259
4.	837	+		=	1.207
5.	969	+		=	1.697
6.	896	+		=	1.258
7.	812	+		=	1.202
8.	715	+		=	1.113
9.	936	+		=	1.788
10.	466	+		=	746

Oefening 3
1.	838	+		=	1.319
2.	543	+		=	986
3.	826	+		=	1.301
4.	677	+		=	936
5.	916	+		=	1.781
6.	844	+		=	1.667
7.	601	+		=	1.100
8.	373	+		=	678
9.	780	+		=	1.029
10.	995	+		=	1.867

Oefening 4
1.	983	+		=	1.211
2.	844	+		=	1.079
3.	784	+		=	1.034
4.	494	+		=	704
5.	749	+		=	1.094
6.	710	+		=	1.367
7.	520	+		=	966
8.	398	+		=	679
9.	844	+		=	1.565
10.	714	+		=	1.345

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	814	+	808	=	1.622
2.	921	+	244	=	1.165
3.	330	+	257	=	587
4.	987	+	290	=	1.277
5.	781	+	297	=	1.078
6.	458	+	443	=	901
7.	333	+	260	=	593
8.	811	+	578	=	1.389
9.	601	+	242	=	843
10.	579	+	452	=	1.031

Oefening 2
1.	794	+	561	=	1.355
2.	911	+	246	=	1.157
3.	667	+	592	=	1.259
4.	837	+	370	=	1.207
5.	969	+	728	=	1.697
6.	896	+	362	=	1.258
7.	812	+	390	=	1.202
8.	715	+	398	=	1.113
9.	936	+	852	=	1.788
10.	466	+	280	=	746

Oefening 3
1.	838	+	481	=	1.319
2.	543	+	443	=	986
3.	826	+	475	=	1.301
4.	677	+	259	=	936
5.	916	+	865	=	1.781
6.	844	+	823	=	1.667
7.	601	+	499	=	1.100
8.	373	+	305	=	678
9.	780	+	249	=	1.029
10.	995	+	872	=	1.867

Oefening 4
1.	983	+	228	=	1.211
2.	844	+	235	=	1.079
3.	784	+	250	=	1.034
4.	494	+	210	=	704
5.	749	+	345	=	1.094
6.	710	+	657	=	1.367
7.	520	+	446	=	966
8.	398	+	281	=	679
9.	844	+	721	=	1.565
10.	714	+	631	=	1.345