Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	306	+		=	533
2.	719	+		=	1.070
3.	997	+		=	1.278
4.	727	+		=	1.434
5.	978	+		=	1.306
6.	662	+		=	1.192
7.	757	+		=	958
8.	446	+		=	750
9.	913	+		=	1.580
10.	527	+		=	877

Oefening 2
1.	680	+		=	1.111
2.	953	+		=	1.792
3.	588	+		=	1.040
4.	939	+		=	1.145
5.	783	+		=	1.337
6.	968	+		=	1.849
7.	888	+		=	1.705
8.	724	+		=	1.360
9.	894	+		=	1.219
10.	906	+		=	1.587

Oefening 3
1.	540	+		=	1.074
2.	942	+		=	1.295
3.	668	+		=	1.062
4.	901	+		=	1.444
5.	874	+		=	1.171
6.	487	+		=	691
7.	534	+		=	1.033
8.	928	+		=	1.565
9.	983	+		=	1.201
10.	667	+		=	1.308

Oefening 4
1.	856	+		=	1.193
2.	804	+		=	1.039
3.	869	+		=	1.141
4.	367	+		=	682
5.	806	+		=	1.306
6.	534	+		=	913
7.	968	+		=	1.871
8.	977	+		=	1.875
9.	955	+		=	1.772
10.	971	+		=	1.394

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	306	+	227	=	533
2.	719	+	351	=	1.070
3.	997	+	281	=	1.278
4.	727	+	707	=	1.434
5.	978	+	328	=	1.306
6.	662	+	530	=	1.192
7.	757	+	201	=	958
8.	446	+	304	=	750
9.	913	+	667	=	1.580
10.	527	+	350	=	877

Oefening 2
1.	680	+	431	=	1.111
2.	953	+	839	=	1.792
3.	588	+	452	=	1.040
4.	939	+	206	=	1.145
5.	783	+	554	=	1.337
6.	968	+	881	=	1.849
7.	888	+	817	=	1.705
8.	724	+	636	=	1.360
9.	894	+	325	=	1.219
10.	906	+	681	=	1.587

Oefening 3
1.	540	+	534	=	1.074
2.	942	+	353	=	1.295
3.	668	+	394	=	1.062
4.	901	+	543	=	1.444
5.	874	+	297	=	1.171
6.	487	+	204	=	691
7.	534	+	499	=	1.033
8.	928	+	637	=	1.565
9.	983	+	218	=	1.201
10.	667	+	641	=	1.308

Oefening 4
1.	856	+	337	=	1.193
2.	804	+	235	=	1.039
3.	869	+	272	=	1.141
4.	367	+	315	=	682
5.	806	+	500	=	1.306
6.	534	+	379	=	913
7.	968	+	903	=	1.871
8.	977	+	898	=	1.875
9.	955	+	817	=	1.772
10.	971	+	423	=	1.394