Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	438	+		=	840
2.	386	+		=	707
3.	908	+		=	1.196
4.	622	+		=	1.046
5.	757	+		=	1.423
6.	806	+		=	1.051
7.	703	+		=	911
8.	991	+		=	1.579
9.	838	+		=	1.574
10.	470	+		=	746

Oefening 2
1.	588	+		=	945
2.	629	+		=	1.205
3.	601	+		=	826
4.	547	+		=	964
5.	970	+		=	1.251
6.	766	+		=	1.411
7.	899	+		=	1.713
8.	732	+		=	946
9.	807	+		=	1.288
10.	890	+		=	1.756

Oefening 3
1.	992	+		=	1.269
2.	537	+		=	812
3.	640	+		=	1.052
4.	743	+		=	1.131
5.	927	+		=	1.325
6.	928	+		=	1.545
7.	857	+		=	1.554
8.	972	+		=	1.612
9.	646	+		=	976
10.	519	+		=	907

Oefening 4
1.	633	+		=	1.119
2.	885	+		=	1.173
3.	908	+		=	1.691
4.	789	+		=	1.123
5.	650	+		=	903
6.	619	+		=	953
7.	629	+		=	942
8.	824	+		=	1.281
9.	452	+		=	678
10.	354	+		=	670

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	438	+	402	=	840
2.	386	+	321	=	707
3.	908	+	288	=	1.196
4.	622	+	424	=	1.046
5.	757	+	666	=	1.423
6.	806	+	245	=	1.051
7.	703	+	208	=	911
8.	991	+	588	=	1.579
9.	838	+	736	=	1.574
10.	470	+	276	=	746

Oefening 2
1.	588	+	357	=	945
2.	629	+	576	=	1.205
3.	601	+	225	=	826
4.	547	+	417	=	964
5.	970	+	281	=	1.251
6.	766	+	645	=	1.411
7.	899	+	814	=	1.713
8.	732	+	214	=	946
9.	807	+	481	=	1.288
10.	890	+	866	=	1.756

Oefening 3
1.	992	+	277	=	1.269
2.	537	+	275	=	812
3.	640	+	412	=	1.052
4.	743	+	388	=	1.131
5.	927	+	398	=	1.325
6.	928	+	617	=	1.545
7.	857	+	697	=	1.554
8.	972	+	640	=	1.612
9.	646	+	330	=	976
10.	519	+	388	=	907

Oefening 4
1.	633	+	486	=	1.119
2.	885	+	288	=	1.173
3.	908	+	783	=	1.691
4.	789	+	334	=	1.123
5.	650	+	253	=	903
6.	619	+	334	=	953
7.	629	+	313	=	942
8.	824	+	457	=	1.281
9.	452	+	226	=	678
10.	354	+	316	=	670