Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	956	+		=	1.897
2.	976	+		=	1.195
3.	699	+		=	1.100
4.	985	+		=	1.560
5.	741	+		=	1.087
6.	574	+		=	1.008
7.	814	+		=	1.048
8.	778	+		=	1.505
9.	769	+		=	1.255
10.	715	+		=	1.144

Oefening 2
1.	806	+		=	1.233
2.	697	+		=	920
3.	320	+		=	610
4.	644	+		=	987
5.	583	+		=	1.137
6.	783	+		=	1.528
7.	759	+		=	1.377
8.	469	+		=	687
9.	977	+		=	1.387
10.	884	+		=	1.150

Oefening 3
1.	808	+		=	1.269
2.	569	+		=	1.038
3.	649	+		=	1.267
4.	504	+		=	937
5.	895	+		=	1.448
6.	651	+		=	1.198
7.	547	+		=	851
8.	773	+		=	1.288
9.	704	+		=	1.147
10.	443	+		=	707

Oefening 4
1.	668	+		=	1.019
2.	454	+		=	827
3.	884	+		=	1.686
4.	961	+		=	1.181
5.	969	+		=	1.560
6.	386	+		=	663
7.	977	+		=	1.260
8.	974	+		=	1.413
9.	572	+		=	971
10.	663	+		=	1.022

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	956	+	941	=	1.897
2.	976	+	219	=	1.195
3.	699	+	401	=	1.100
4.	985	+	575	=	1.560
5.	741	+	346	=	1.087
6.	574	+	434	=	1.008
7.	814	+	234	=	1.048
8.	778	+	727	=	1.505
9.	769	+	486	=	1.255
10.	715	+	429	=	1.144

Oefening 2
1.	806	+	427	=	1.233
2.	697	+	223	=	920
3.	320	+	290	=	610
4.	644	+	343	=	987
5.	583	+	554	=	1.137
6.	783	+	745	=	1.528
7.	759	+	618	=	1.377
8.	469	+	218	=	687
9.	977	+	410	=	1.387
10.	884	+	266	=	1.150

Oefening 3
1.	808	+	461	=	1.269
2.	569	+	469	=	1.038
3.	649	+	618	=	1.267
4.	504	+	433	=	937
5.	895	+	553	=	1.448
6.	651	+	547	=	1.198
7.	547	+	304	=	851
8.	773	+	515	=	1.288
9.	704	+	443	=	1.147
10.	443	+	264	=	707

Oefening 4
1.	668	+	351	=	1.019
2.	454	+	373	=	827
3.	884	+	802	=	1.686
4.	961	+	220	=	1.181
5.	969	+	591	=	1.560
6.	386	+	277	=	663
7.	977	+	283	=	1.260
8.	974	+	439	=	1.413
9.	572	+	399	=	971
10.	663	+	359	=	1.022