Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	482	+		=	821
2.	709	+		=	1.131
3.	909	+		=	1.528
4.	520	+		=	759
5.	994	+		=	1.389
6.	994	+		=	1.460
7.	842	+		=	1.052
8.	456	+		=	866
9.	868	+		=	1.482
10.	603	+		=	1.160

Oefening 2
1.	869	+		=	1.460
2.	698	+		=	1.074
3.	861	+		=	1.388
4.	878	+		=	1.631
5.	736	+		=	1.355
6.	753	+		=	1.107
7.	986	+		=	1.291
8.	462	+		=	902
9.	962	+		=	1.422
10.	364	+		=	626

Oefening 3
1.	530	+		=	763
2.	498	+		=	703
3.	501	+		=	822
4.	890	+		=	1.732
5.	530	+		=	1.016
6.	868	+		=	1.459
7.	804	+		=	1.528
8.	664	+		=	1.135
9.	766	+		=	1.096
10.	832	+		=	1.430

Oefening 4
1.	828	+		=	1.037
2.	775	+		=	1.021
3.	831	+		=	1.138
4.	463	+		=	921
5.	912	+		=	1.327
6.	345	+		=	638
7.	943	+		=	1.856
8.	997	+		=	1.566
9.	559	+		=	889
10.	473	+		=	919

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	482	+	339	=	821
2.	709	+	422	=	1.131
3.	909	+	619	=	1.528
4.	520	+	239	=	759
5.	994	+	395	=	1.389
6.	994	+	466	=	1.460
7.	842	+	210	=	1.052
8.	456	+	410	=	866
9.	868	+	614	=	1.482
10.	603	+	557	=	1.160

Oefening 2
1.	869	+	591	=	1.460
2.	698	+	376	=	1.074
3.	861	+	527	=	1.388
4.	878	+	753	=	1.631
5.	736	+	619	=	1.355
6.	753	+	354	=	1.107
7.	986	+	305	=	1.291
8.	462	+	440	=	902
9.	962	+	460	=	1.422
10.	364	+	262	=	626

Oefening 3
1.	530	+	233	=	763
2.	498	+	205	=	703
3.	501	+	321	=	822
4.	890	+	842	=	1.732
5.	530	+	486	=	1.016
6.	868	+	591	=	1.459
7.	804	+	724	=	1.528
8.	664	+	471	=	1.135
9.	766	+	330	=	1.096
10.	832	+	598	=	1.430

Oefening 4
1.	828	+	209	=	1.037
2.	775	+	246	=	1.021
3.	831	+	307	=	1.138
4.	463	+	458	=	921
5.	912	+	415	=	1.327
6.	345	+	293	=	638
7.	943	+	913	=	1.856
8.	997	+	569	=	1.566
9.	559	+	330	=	889
10.	473	+	446	=	919