Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	860	+		=	1.152
2.	670	+		=	950
3.	777	+		=	1.488
4.	854	+		=	1.286
5.	851	+		=	1.181
6.	604	+		=	957
7.	870	+		=	1.262
8.	896	+		=	1.185
9.	979	+		=	1.874
10.	784	+		=	1.010

Oefening 2
1.	721	+		=	1.020
2.	475	+		=	814
3.	836	+		=	1.497
4.	272	+		=	511
5.	990	+		=	1.864
6.	713	+		=	1.179
7.	629	+		=	988
8.	992	+		=	1.218
9.	951	+		=	1.560
10.	846	+		=	1.377

Oefening 3
1.	531	+		=	942
2.	998	+		=	1.563
3.	380	+		=	716
4.	871	+		=	1.586
5.	370	+		=	688
6.	614	+		=	1.122
7.	953	+		=	1.436
8.	777	+		=	1.119
9.	881	+		=	1.297
10.	733	+		=	1.465

Oefening 4
1.	796	+		=	1.000
2.	753	+		=	1.465
3.	953	+		=	1.361
4.	949	+		=	1.589
5.	977	+		=	1.188
6.	562	+		=	814
7.	641	+		=	1.061
8.	758	+		=	1.268
9.	799	+		=	1.234
10.	679	+		=	982

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	860	+	292	=	1.152
2.	670	+	280	=	950
3.	777	+	711	=	1.488
4.	854	+	432	=	1.286
5.	851	+	330	=	1.181
6.	604	+	353	=	957
7.	870	+	392	=	1.262
8.	896	+	289	=	1.185
9.	979	+	895	=	1.874
10.	784	+	226	=	1.010

Oefening 2
1.	721	+	299	=	1.020
2.	475	+	339	=	814
3.	836	+	661	=	1.497
4.	272	+	239	=	511
5.	990	+	874	=	1.864
6.	713	+	466	=	1.179
7.	629	+	359	=	988
8.	992	+	226	=	1.218
9.	951	+	609	=	1.560
10.	846	+	531	=	1.377

Oefening 3
1.	531	+	411	=	942
2.	998	+	565	=	1.563
3.	380	+	336	=	716
4.	871	+	715	=	1.586
5.	370	+	318	=	688
6.	614	+	508	=	1.122
7.	953	+	483	=	1.436
8.	777	+	342	=	1.119
9.	881	+	416	=	1.297
10.	733	+	732	=	1.465

Oefening 4
1.	796	+	204	=	1.000
2.	753	+	712	=	1.465
3.	953	+	408	=	1.361
4.	949	+	640	=	1.589
5.	977	+	211	=	1.188
6.	562	+	252	=	814
7.	641	+	420	=	1.061
8.	758	+	510	=	1.268
9.	799	+	435	=	1.234
10.	679	+	303	=	982