Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	657	+		=	1.116
2.	657	+		=	1.016
3.	556	+		=	1.104
4.	757	+		=	1.309
5.	763	+		=	1.321
6.	835	+		=	1.557
7.	987	+		=	1.776
8.	869	+		=	1.695
9.	538	+		=	774
10.	430	+		=	657

Oefening 2
1.	778	+		=	1.420
2.	475	+		=	917
3.	957	+		=	1.404
4.	388	+		=	690
5.	795	+		=	1.358
6.	603	+		=	1.002
7.	738	+		=	1.473
8.	382	+		=	699
9.	704	+		=	1.077
10.	784	+		=	1.109

Oefening 3
1.	627	+		=	1.131
2.	328	+		=	543
3.	892	+		=	1.711
4.	493	+		=	924
5.	865	+		=	1.395
6.	621	+		=	1.098
7.	952	+		=	1.607
8.	280	+		=	540
9.	671	+		=	1.056
10.	656	+		=	1.060

Oefening 4
1.	762	+		=	1.358
2.	500	+		=	983
3.	789	+		=	1.558
4.	517	+		=	786
5.	705	+		=	1.335
6.	983	+		=	1.459
7.	506	+		=	1.004
8.	878	+		=	1.238
9.	714	+		=	1.037
10.	540	+		=	768

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	657	+	459	=	1.116
2.	657	+	359	=	1.016
3.	556	+	548	=	1.104
4.	757	+	552	=	1.309
5.	763	+	558	=	1.321
6.	835	+	722	=	1.557
7.	987	+	789	=	1.776
8.	869	+	826	=	1.695
9.	538	+	236	=	774
10.	430	+	227	=	657

Oefening 2
1.	778	+	642	=	1.420
2.	475	+	442	=	917
3.	957	+	447	=	1.404
4.	388	+	302	=	690
5.	795	+	563	=	1.358
6.	603	+	399	=	1.002
7.	738	+	735	=	1.473
8.	382	+	317	=	699
9.	704	+	373	=	1.077
10.	784	+	325	=	1.109

Oefening 3
1.	627	+	504	=	1.131
2.	328	+	215	=	543
3.	892	+	819	=	1.711
4.	493	+	431	=	924
5.	865	+	530	=	1.395
6.	621	+	477	=	1.098
7.	952	+	655	=	1.607
8.	280	+	260	=	540
9.	671	+	385	=	1.056
10.	656	+	404	=	1.060

Oefening 4
1.	762	+	596	=	1.358
2.	500	+	483	=	983
3.	789	+	769	=	1.558
4.	517	+	269	=	786
5.	705	+	630	=	1.335
6.	983	+	476	=	1.459
7.	506	+	498	=	1.004
8.	878	+	360	=	1.238
9.	714	+	323	=	1.037
10.	540	+	228	=	768