Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	348	+		=	695
2.	671	+		=	1.077
3.	699	+		=	1.365
4.	774	+		=	1.019
5.	950	+		=	1.780
6.	675	+		=	1.257
7.	498	+		=	957
8.	901	+		=	1.155
9.	612	+		=	1.005
10.	964	+		=	1.696

Oefening 2
1.	562	+		=	897
2.	442	+		=	688
3.	485	+		=	711
4.	350	+		=	650
5.	717	+		=	1.040
6.	769	+		=	1.144
7.	251	+		=	492
8.	726	+		=	1.121
9.	984	+		=	1.230
10.	516	+		=	883

Oefening 3
1.	559	+		=	759
2.	702	+		=	1.401
3.	705	+		=	1.059
4.	835	+		=	1.216
5.	594	+		=	812
6.	454	+		=	725
7.	659	+		=	884
8.	753	+		=	1.307
9.	755	+		=	1.158
10.	655	+		=	1.216

Oefening 4
1.	655	+		=	1.103
2.	531	+		=	1.050
3.	672	+		=	886
4.	846	+		=	1.207
5.	736	+		=	1.408
6.	661	+		=	1.063
7.	878	+		=	1.152
8.	704	+		=	1.170
9.	618	+		=	920
10.	818	+		=	1.511

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	348	+	347	=	695
2.	671	+	406	=	1.077
3.	699	+	666	=	1.365
4.	774	+	245	=	1.019
5.	950	+	830	=	1.780
6.	675	+	582	=	1.257
7.	498	+	459	=	957
8.	901	+	254	=	1.155
9.	612	+	393	=	1.005
10.	964	+	732	=	1.696

Oefening 2
1.	562	+	335	=	897
2.	442	+	246	=	688
3.	485	+	226	=	711
4.	350	+	300	=	650
5.	717	+	323	=	1.040
6.	769	+	375	=	1.144
7.	251	+	241	=	492
8.	726	+	395	=	1.121
9.	984	+	246	=	1.230
10.	516	+	367	=	883

Oefening 3
1.	559	+	200	=	759
2.	702	+	699	=	1.401
3.	705	+	354	=	1.059
4.	835	+	381	=	1.216
5.	594	+	218	=	812
6.	454	+	271	=	725
7.	659	+	225	=	884
8.	753	+	554	=	1.307
9.	755	+	403	=	1.158
10.	655	+	561	=	1.216

Oefening 4
1.	655	+	448	=	1.103
2.	531	+	519	=	1.050
3.	672	+	214	=	886
4.	846	+	361	=	1.207
5.	736	+	672	=	1.408
6.	661	+	402	=	1.063
7.	878	+	274	=	1.152
8.	704	+	466	=	1.170
9.	618	+	302	=	920
10.	818	+	693	=	1.511