Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	923	+		=	1.724
2.	652	+		=	1.233
3.	691	+		=	972
4.	571	+		=	815
5.	533	+		=	893
6.	369	+		=	699
7.	415	+		=	671
8.	388	+		=	676
9.	905	+		=	1.115
10.	493	+		=	716

Oefening 2
1.	781	+		=	1.429
2.	835	+		=	1.143
3.	906	+		=	1.409
4.	832	+		=	1.200
5.	942	+		=	1.419
6.	782	+		=	1.206
7.	964	+		=	1.621
8.	466	+		=	787
9.	452	+		=	677
10.	640	+		=	923

Oefening 3
1.	925	+		=	1.610
2.	863	+		=	1.088
3.	916	+		=	1.786
4.	471	+		=	892
5.	765	+		=	1.047
6.	598	+		=	929
7.	721	+		=	1.198
8.	788	+		=	1.513
9.	920	+		=	1.665
10.	860	+		=	1.463

Oefening 4
1.	571	+		=	905
2.	905	+		=	1.801
3.	992	+		=	1.754
4.	967	+		=	1.532
5.	783	+		=	1.038
6.	992	+		=	1.425
7.	641	+		=	1.114
8.	799	+		=	1.338
9.	526	+		=	780
10.	725	+		=	1.443

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	923	+	801	=	1.724
2.	652	+	581	=	1.233
3.	691	+	281	=	972
4.	571	+	244	=	815
5.	533	+	360	=	893
6.	369	+	330	=	699
7.	415	+	256	=	671
8.	388	+	288	=	676
9.	905	+	210	=	1.115
10.	493	+	223	=	716

Oefening 2
1.	781	+	648	=	1.429
2.	835	+	308	=	1.143
3.	906	+	503	=	1.409
4.	832	+	368	=	1.200
5.	942	+	477	=	1.419
6.	782	+	424	=	1.206
7.	964	+	657	=	1.621
8.	466	+	321	=	787
9.	452	+	225	=	677
10.	640	+	283	=	923

Oefening 3
1.	925	+	685	=	1.610
2.	863	+	225	=	1.088
3.	916	+	870	=	1.786
4.	471	+	421	=	892
5.	765	+	282	=	1.047
6.	598	+	331	=	929
7.	721	+	477	=	1.198
8.	788	+	725	=	1.513
9.	920	+	745	=	1.665
10.	860	+	603	=	1.463

Oefening 4
1.	571	+	334	=	905
2.	905	+	896	=	1.801
3.	992	+	762	=	1.754
4.	967	+	565	=	1.532
5.	783	+	255	=	1.038
6.	992	+	433	=	1.425
7.	641	+	473	=	1.114
8.	799	+	539	=	1.338
9.	526	+	254	=	780
10.	725	+	718	=	1.443