Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	368	+		=	721
2.	776	+		=	1.223
3.	970	+		=	1.248
4.	695	+		=	1.256
5.	681	+		=	883
6.	360	+		=	605
7.	776	+		=	1.384
8.	928	+		=	1.616
9.	871	+		=	1.514
10.	854	+		=	1.673

Oefening 2
1.	367	+		=	671
2.	596	+		=	1.058
3.	819	+		=	1.154
4.	509	+		=	1.016
5.	649	+		=	930
6.	634	+		=	1.136
7.	634	+		=	837
8.	570	+		=	1.089
9.	565	+		=	1.010
10.	804	+		=	1.427

Oefening 3
1.	592	+		=	798
2.	757	+		=	1.001
3.	765	+		=	1.036
4.	308	+		=	581
5.	924	+		=	1.465
6.	758	+		=	1.301
7.	870	+		=	1.291
8.	591	+		=	1.179
9.	739	+		=	1.333
10.	875	+		=	1.540

Oefening 4
1.	687	+		=	1.155
2.	777	+		=	1.250
3.	976	+		=	1.762
4.	689	+		=	1.140
5.	934	+		=	1.496
6.	546	+		=	761
7.	281	+		=	538
8.	806	+		=	1.039
9.	991	+		=	1.905
10.	649	+		=	1.031

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	368	+	353	=	721
2.	776	+	447	=	1.223
3.	970	+	278	=	1.248
4.	695	+	561	=	1.256
5.	681	+	202	=	883
6.	360	+	245	=	605
7.	776	+	608	=	1.384
8.	928	+	688	=	1.616
9.	871	+	643	=	1.514
10.	854	+	819	=	1.673

Oefening 2
1.	367	+	304	=	671
2.	596	+	462	=	1.058
3.	819	+	335	=	1.154
4.	509	+	507	=	1.016
5.	649	+	281	=	930
6.	634	+	502	=	1.136
7.	634	+	203	=	837
8.	570	+	519	=	1.089
9.	565	+	445	=	1.010
10.	804	+	623	=	1.427

Oefening 3
1.	592	+	206	=	798
2.	757	+	244	=	1.001
3.	765	+	271	=	1.036
4.	308	+	273	=	581
5.	924	+	541	=	1.465
6.	758	+	543	=	1.301
7.	870	+	421	=	1.291
8.	591	+	588	=	1.179
9.	739	+	594	=	1.333
10.	875	+	665	=	1.540

Oefening 4
1.	687	+	468	=	1.155
2.	777	+	473	=	1.250
3.	976	+	786	=	1.762
4.	689	+	451	=	1.140
5.	934	+	562	=	1.496
6.	546	+	215	=	761
7.	281	+	257	=	538
8.	806	+	233	=	1.039
9.	991	+	914	=	1.905
10.	649	+	382	=	1.031