Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	493	+		=	915
2.	868	+		=	1.640
3.	753	+		=	1.037
4.	869	+		=	1.094
5.	492	+		=	809
6.	942	+		=	1.246
7.	938	+		=	1.203
8.	917	+		=	1.397
9.	631	+		=	1.054
10.	765	+		=	977

Oefening 2
1.	869	+		=	1.699
2.	894	+		=	1.115
3.	525	+		=	727
4.	675	+		=	1.208
5.	817	+		=	1.542
6.	760	+		=	1.193
7.	985	+		=	1.231
8.	652	+		=	995
9.	812	+		=	1.014
10.	855	+		=	1.196

Oefening 3
1.	548	+		=	785
2.	813	+		=	1.487
3.	929	+		=	1.612
4.	918	+		=	1.656
5.	725	+		=	1.420
6.	321	+		=	526
7.	968	+		=	1.606
8.	442	+		=	784
9.	642	+		=	917
10.	898	+		=	1.705

Oefening 4
1.	965	+		=	1.723
2.	836	+		=	1.454
3.	986	+		=	1.233
4.	227	+		=	428
5.	937	+		=	1.144
6.	761	+		=	1.286
7.	899	+		=	1.569
8.	896	+		=	1.334
9.	345	+		=	560
10.	593	+		=	1.093

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	493	+	422	=	915
2.	868	+	772	=	1.640
3.	753	+	284	=	1.037
4.	869	+	225	=	1.094
5.	492	+	317	=	809
6.	942	+	304	=	1.246
7.	938	+	265	=	1.203
8.	917	+	480	=	1.397
9.	631	+	423	=	1.054
10.	765	+	212	=	977

Oefening 2
1.	869	+	830	=	1.699
2.	894	+	221	=	1.115
3.	525	+	202	=	727
4.	675	+	533	=	1.208
5.	817	+	725	=	1.542
6.	760	+	433	=	1.193
7.	985	+	246	=	1.231
8.	652	+	343	=	995
9.	812	+	202	=	1.014
10.	855	+	341	=	1.196

Oefening 3
1.	548	+	237	=	785
2.	813	+	674	=	1.487
3.	929	+	683	=	1.612
4.	918	+	738	=	1.656
5.	725	+	695	=	1.420
6.	321	+	205	=	526
7.	968	+	638	=	1.606
8.	442	+	342	=	784
9.	642	+	275	=	917
10.	898	+	807	=	1.705

Oefening 4
1.	965	+	758	=	1.723
2.	836	+	618	=	1.454
3.	986	+	247	=	1.233
4.	227	+	201	=	428
5.	937	+	207	=	1.144
6.	761	+	525	=	1.286
7.	899	+	670	=	1.569
8.	896	+	438	=	1.334
9.	345	+	215	=	560
10.	593	+	500	=	1.093