Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	359	+		=	566
2.	664	+		=	960
3.	830	+		=	1.499
4.	607	+		=	848
5.	835	+		=	1.283
6.	553	+		=	868
7.	583	+		=	809
8.	684	+		=	1.136
9.	970	+		=	1.635
10.	901	+		=	1.484

Oefening 2
1.	864	+		=	1.181
2.	744	+		=	1.088
3.	645	+		=	1.131
4.	760	+		=	1.161
5.	667	+		=	1.028
6.	976	+		=	1.654
7.	990	+		=	1.551
8.	827	+		=	1.503
9.	650	+		=	902
10.	687	+		=	1.178

Oefening 3
1.	493	+		=	706
2.	264	+		=	517
3.	884	+		=	1.468
4.	951	+		=	1.428
5.	563	+		=	1.022
6.	937	+		=	1.392
7.	785	+		=	1.457
8.	970	+		=	1.174
9.	692	+		=	939
10.	390	+		=	643

Oefening 4
1.	678	+		=	1.338
2.	256	+		=	467
3.	906	+		=	1.717
4.	779	+		=	1.020
5.	412	+		=	775
6.	783	+		=	1.024
7.	739	+		=	1.408
8.	967	+		=	1.206
9.	901	+		=	1.636
10.	891	+		=	1.229

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	359	+	207	=	566
2.	664	+	296	=	960
3.	830	+	669	=	1.499
4.	607	+	241	=	848
5.	835	+	448	=	1.283
6.	553	+	315	=	868
7.	583	+	226	=	809
8.	684	+	452	=	1.136
9.	970	+	665	=	1.635
10.	901	+	583	=	1.484

Oefening 2
1.	864	+	317	=	1.181
2.	744	+	344	=	1.088
3.	645	+	486	=	1.131
4.	760	+	401	=	1.161
5.	667	+	361	=	1.028
6.	976	+	678	=	1.654
7.	990	+	561	=	1.551
8.	827	+	676	=	1.503
9.	650	+	252	=	902
10.	687	+	491	=	1.178

Oefening 3
1.	493	+	213	=	706
2.	264	+	253	=	517
3.	884	+	584	=	1.468
4.	951	+	477	=	1.428
5.	563	+	459	=	1.022
6.	937	+	455	=	1.392
7.	785	+	672	=	1.457
8.	970	+	204	=	1.174
9.	692	+	247	=	939
10.	390	+	253	=	643

Oefening 4
1.	678	+	660	=	1.338
2.	256	+	211	=	467
3.	906	+	811	=	1.717
4.	779	+	241	=	1.020
5.	412	+	363	=	775
6.	783	+	241	=	1.024
7.	739	+	669	=	1.408
8.	967	+	239	=	1.206
9.	901	+	735	=	1.636
10.	891	+	338	=	1.229