Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	578	+		=	1.145
2.	801	+		=	1.190
3.	586	+		=	1.102
4.	773	+		=	1.095
5.	994	+		=	1.443
6.	782	+		=	1.328
7.	372	+		=	723
8.	921	+		=	1.356
9.	659	+		=	900
10.	994	+		=	1.774

Oefening 2
1.	866	+		=	1.163
2.	432	+		=	812
3.	824	+		=	1.227
4.	784	+		=	1.251
5.	421	+		=	731
6.	558	+		=	1.010
7.	721	+		=	1.408
8.	527	+		=	829
9.	977	+		=	1.363
10.	837	+		=	1.509

Oefening 3
1.	893	+		=	1.372
2.	645	+		=	1.072
3.	973	+		=	1.592
4.	604	+		=	950
5.	471	+		=	832
6.	475	+		=	944
7.	522	+		=	841
8.	849	+		=	1.201
9.	784	+		=	1.291
10.	807	+		=	1.501

Oefening 4
1.	619	+		=	1.135
2.	840	+		=	1.611
3.	860	+		=	1.083
4.	767	+		=	1.014
5.	375	+		=	579
6.	979	+		=	1.568
7.	514	+		=	817
8.	978	+		=	1.777
9.	929	+		=	1.566
10.	845	+		=	1.084

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	578	+	567	=	1.145
2.	801	+	389	=	1.190
3.	586	+	516	=	1.102
4.	773	+	322	=	1.095
5.	994	+	449	=	1.443
6.	782	+	546	=	1.328
7.	372	+	351	=	723
8.	921	+	435	=	1.356
9.	659	+	241	=	900
10.	994	+	780	=	1.774

Oefening 2
1.	866	+	297	=	1.163
2.	432	+	380	=	812
3.	824	+	403	=	1.227
4.	784	+	467	=	1.251
5.	421	+	310	=	731
6.	558	+	452	=	1.010
7.	721	+	687	=	1.408
8.	527	+	302	=	829
9.	977	+	386	=	1.363
10.	837	+	672	=	1.509

Oefening 3
1.	893	+	479	=	1.372
2.	645	+	427	=	1.072
3.	973	+	619	=	1.592
4.	604	+	346	=	950
5.	471	+	361	=	832
6.	475	+	469	=	944
7.	522	+	319	=	841
8.	849	+	352	=	1.201
9.	784	+	507	=	1.291
10.	807	+	694	=	1.501

Oefening 4
1.	619	+	516	=	1.135
2.	840	+	771	=	1.611
3.	860	+	223	=	1.083
4.	767	+	247	=	1.014
5.	375	+	204	=	579
6.	979	+	589	=	1.568
7.	514	+	303	=	817
8.	978	+	799	=	1.777
9.	929	+	637	=	1.566
10.	845	+	239	=	1.084