Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	820	+		=	1.145
2.	420	+		=	657
3.	547	+		=	799
4.	780	+		=	1.151
5.	621	+		=	1.110
6.	933	+		=	1.597
7.	744	+		=	1.455
8.	723	+		=	1.214
9.	859	+		=	1.574
10.	906	+		=	1.360

Oefening 2
1.	521	+		=	1.016
2.	828	+		=	1.640
3.	942	+		=	1.496
4.	822	+		=	1.613
5.	702	+		=	994
6.	917	+		=	1.652
7.	675	+		=	1.228
8.	893	+		=	1.415
9.	709	+		=	998
10.	471	+		=	682

Oefening 3
1.	999	+		=	1.748
2.	637	+		=	1.030
3.	908	+		=	1.468
4.	948	+		=	1.825
5.	885	+		=	1.289
6.	807	+		=	1.362
7.	394	+		=	650
8.	830	+		=	1.132
9.	832	+		=	1.225
10.	897	+		=	1.277

Oefening 4
1.	954	+		=	1.601
2.	461	+		=	783
3.	399	+		=	698
4.	799	+		=	1.399
5.	923	+		=	1.757
6.	908	+		=	1.736
7.	901	+		=	1.444
8.	688	+		=	1.077
9.	443	+		=	818
10.	994	+		=	1.851

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	820	+	325	=	1.145
2.	420	+	237	=	657
3.	547	+	252	=	799
4.	780	+	371	=	1.151
5.	621	+	489	=	1.110
6.	933	+	664	=	1.597
7.	744	+	711	=	1.455
8.	723	+	491	=	1.214
9.	859	+	715	=	1.574
10.	906	+	454	=	1.360

Oefening 2
1.	521	+	495	=	1.016
2.	828	+	812	=	1.640
3.	942	+	554	=	1.496
4.	822	+	791	=	1.613
5.	702	+	292	=	994
6.	917	+	735	=	1.652
7.	675	+	553	=	1.228
8.	893	+	522	=	1.415
9.	709	+	289	=	998
10.	471	+	211	=	682

Oefening 3
1.	999	+	749	=	1.748
2.	637	+	393	=	1.030
3.	908	+	560	=	1.468
4.	948	+	877	=	1.825
5.	885	+	404	=	1.289
6.	807	+	555	=	1.362
7.	394	+	256	=	650
8.	830	+	302	=	1.132
9.	832	+	393	=	1.225
10.	897	+	380	=	1.277

Oefening 4
1.	954	+	647	=	1.601
2.	461	+	322	=	783
3.	399	+	299	=	698
4.	799	+	600	=	1.399
5.	923	+	834	=	1.757
6.	908	+	828	=	1.736
7.	901	+	543	=	1.444
8.	688	+	389	=	1.077
9.	443	+	375	=	818
10.	994	+	857	=	1.851