Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	889	+		=	1.767
2.	994	+		=	1.576
3.	628	+		=	863
4.	688	+		=	1.064
5.	645	+		=	1.037
6.	912	+		=	1.140
7.	959	+		=	1.552
8.	771	+		=	1.047
9.	970	+		=	1.701
10.	755	+		=	1.081

Oefening 2
1.	568	+		=	859
2.	990	+		=	1.728
3.	887	+		=	1.335
4.	819	+		=	1.253
5.	896	+		=	1.217
6.	303	+		=	558
7.	808	+		=	1.514
8.	752	+		=	1.216
9.	687	+		=	1.109
10.	252	+		=	462

Oefening 3
1.	872	+		=	1.172
2.	768	+		=	1.302
3.	645	+		=	1.236
4.	988	+		=	1.341
5.	656	+		=	1.073
6.	826	+		=	1.246
7.	425	+		=	668
8.	534	+		=	1.025
9.	294	+		=	545
10.	654	+		=	997

Oefening 4
1.	650	+		=	1.226
2.	759	+		=	1.383
3.	901	+		=	1.600
4.	885	+		=	1.474
5.	559	+		=	1.037
6.	909	+		=	1.730
7.	897	+		=	1.734
8.	858	+		=	1.646
9.	768	+		=	1.476
10.	514	+		=	914

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	889	+	878	=	1.767
2.	994	+	582	=	1.576
3.	628	+	235	=	863
4.	688	+	376	=	1.064
5.	645	+	392	=	1.037
6.	912	+	228	=	1.140
7.	959	+	593	=	1.552
8.	771	+	276	=	1.047
9.	970	+	731	=	1.701
10.	755	+	326	=	1.081

Oefening 2
1.	568	+	291	=	859
2.	990	+	738	=	1.728
3.	887	+	448	=	1.335
4.	819	+	434	=	1.253
5.	896	+	321	=	1.217
6.	303	+	255	=	558
7.	808	+	706	=	1.514
8.	752	+	464	=	1.216
9.	687	+	422	=	1.109
10.	252	+	210	=	462

Oefening 3
1.	872	+	300	=	1.172
2.	768	+	534	=	1.302
3.	645	+	591	=	1.236
4.	988	+	353	=	1.341
5.	656	+	417	=	1.073
6.	826	+	420	=	1.246
7.	425	+	243	=	668
8.	534	+	491	=	1.025
9.	294	+	251	=	545
10.	654	+	343	=	997

Oefening 4
1.	650	+	576	=	1.226
2.	759	+	624	=	1.383
3.	901	+	699	=	1.600
4.	885	+	589	=	1.474
5.	559	+	478	=	1.037
6.	909	+	821	=	1.730
7.	897	+	837	=	1.734
8.	858	+	788	=	1.646
9.	768	+	708	=	1.476
10.	514	+	400	=	914