Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	623	+		=	990
2.	713	+		=	971
3.	618	+		=	890
4.	927	+		=	1.564
5.	905	+		=	1.433
6.	861	+		=	1.632
7.	592	+		=	886
8.	585	+		=	1.033
9.	792	+		=	1.536
10.	497	+		=	790

Oefening 2
1.	682	+		=	1.311
2.	927	+		=	1.657
3.	766	+		=	1.513
4.	899	+		=	1.251
5.	922	+		=	1.694
6.	729	+		=	1.050
7.	994	+		=	1.375
8.	1.000	+		=	1.837
9.	567	+		=	931
10.	771	+		=	1.165

Oefening 3
1.	621	+		=	1.211
2.	348	+		=	616
3.	695	+		=	1.239
4.	972	+		=	1.841
5.	895	+		=	1.223
6.	829	+		=	1.601
7.	864	+		=	1.237
8.	978	+		=	1.756
9.	850	+		=	1.492
10.	561	+		=	1.032

Oefening 4
1.	560	+		=	1.028
2.	842	+		=	1.601
3.	777	+		=	1.375
4.	672	+		=	1.210
5.	531	+		=	950
6.	694	+		=	1.134
7.	854	+		=	1.621
8.	844	+		=	1.186
9.	748	+		=	1.291
10.	842	+		=	1.401

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	623	+	367	=	990
2.	713	+	258	=	971
3.	618	+	272	=	890
4.	927	+	637	=	1.564
5.	905	+	528	=	1.433
6.	861	+	771	=	1.632
7.	592	+	294	=	886
8.	585	+	448	=	1.033
9.	792	+	744	=	1.536
10.	497	+	293	=	790

Oefening 2
1.	682	+	629	=	1.311
2.	927	+	730	=	1.657
3.	766	+	747	=	1.513
4.	899	+	352	=	1.251
5.	922	+	772	=	1.694
6.	729	+	321	=	1.050
7.	994	+	381	=	1.375
8.	1.000	+	837	=	1.837
9.	567	+	364	=	931
10.	771	+	394	=	1.165

Oefening 3
1.	621	+	590	=	1.211
2.	348	+	268	=	616
3.	695	+	544	=	1.239
4.	972	+	869	=	1.841
5.	895	+	328	=	1.223
6.	829	+	772	=	1.601
7.	864	+	373	=	1.237
8.	978	+	778	=	1.756
9.	850	+	642	=	1.492
10.	561	+	471	=	1.032

Oefening 4
1.	560	+	468	=	1.028
2.	842	+	759	=	1.601
3.	777	+	598	=	1.375
4.	672	+	538	=	1.210
5.	531	+	419	=	950
6.	694	+	440	=	1.134
7.	854	+	767	=	1.621
8.	844	+	342	=	1.186
9.	748	+	543	=	1.291
10.	842	+	559	=	1.401