Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	448	+		=	787
2.	947	+		=	1.588
3.	772	+		=	1.235
4.	330	+		=	540
5.	622	+		=	1.004
6.	850	+		=	1.395
7.	910	+		=	1.202
8.	898	+		=	1.104
9.	709	+		=	927
10.	814	+		=	1.622

Oefening 2
1.	996	+		=	1.473
2.	915	+		=	1.816
3.	877	+		=	1.720
4.	781	+		=	1.380
5.	942	+		=	1.343
6.	608	+		=	978
7.	693	+		=	1.353
8.	385	+		=	686
9.	869	+		=	1.233
10.	985	+		=	1.925

Oefening 3
1.	347	+		=	676
2.	975	+		=	1.691
3.	954	+		=	1.865
4.	971	+		=	1.833
5.	261	+		=	507
6.	873	+		=	1.529
7.	745	+		=	1.140
8.	818	+		=	1.613
9.	905	+		=	1.298
10.	994	+		=	1.237

Oefening 4
1.	603	+		=	1.099
2.	753	+		=	1.169
3.	869	+		=	1.481
4.	739	+		=	1.362
5.	931	+		=	1.418
6.	479	+		=	750
7.	689	+		=	934
8.	932	+		=	1.496
9.	588	+		=	879
10.	796	+		=	1.227

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	448	+	339	=	787
2.	947	+	641	=	1.588
3.	772	+	463	=	1.235
4.	330	+	210	=	540
5.	622	+	382	=	1.004
6.	850	+	545	=	1.395
7.	910	+	292	=	1.202
8.	898	+	206	=	1.104
9.	709	+	218	=	927
10.	814	+	808	=	1.622

Oefening 2
1.	996	+	477	=	1.473
2.	915	+	901	=	1.816
3.	877	+	843	=	1.720
4.	781	+	599	=	1.380
5.	942	+	401	=	1.343
6.	608	+	370	=	978
7.	693	+	660	=	1.353
8.	385	+	301	=	686
9.	869	+	364	=	1.233
10.	985	+	940	=	1.925

Oefening 3
1.	347	+	329	=	676
2.	975	+	716	=	1.691
3.	954	+	911	=	1.865
4.	971	+	862	=	1.833
5.	261	+	246	=	507
6.	873	+	656	=	1.529
7.	745	+	395	=	1.140
8.	818	+	795	=	1.613
9.	905	+	393	=	1.298
10.	994	+	243	=	1.237

Oefening 4
1.	603	+	496	=	1.099
2.	753	+	416	=	1.169
3.	869	+	612	=	1.481
4.	739	+	623	=	1.362
5.	931	+	487	=	1.418
6.	479	+	271	=	750
7.	689	+	245	=	934
8.	932	+	564	=	1.496
9.	588	+	291	=	879
10.	796	+	431	=	1.227