Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	287	+		=	524
2.	614	+		=	919
3.	442	+		=	874
4.	712	+		=	1.339
5.	243	+		=	462
6.	963	+		=	1.616
7.	681	+		=	1.244
8.	399	+		=	656
9.	378	+		=	647
10.	467	+		=	756

Oefening 2
1.	585	+		=	1.166
2.	823	+		=	1.272
3.	755	+		=	1.089
4.	617	+		=	1.077
5.	899	+		=	1.309
6.	931	+		=	1.581
7.	843	+		=	1.072
8.	498	+		=	802
9.	777	+		=	1.486
10.	744	+		=	1.179

Oefening 3
1.	893	+		=	1.166
2.	850	+		=	1.051
3.	582	+		=	1.047
4.	716	+		=	1.396
5.	957	+		=	1.555
6.	962	+		=	1.428
7.	961	+		=	1.868
8.	966	+		=	1.870
9.	736	+		=	1.121
10.	911	+		=	1.178

Oefening 4
1.	439	+		=	740
2.	851	+		=	1.066
3.	409	+		=	719
4.	830	+		=	1.438
5.	526	+		=	832
6.	376	+		=	679
7.	900	+		=	1.389
8.	644	+		=	1.222
9.	929	+		=	1.851
10.	449	+		=	867

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	287	+	237	=	524
2.	614	+	305	=	919
3.	442	+	432	=	874
4.	712	+	627	=	1.339
5.	243	+	219	=	462
6.	963	+	653	=	1.616
7.	681	+	563	=	1.244
8.	399	+	257	=	656
9.	378	+	269	=	647
10.	467	+	289	=	756

Oefening 2
1.	585	+	581	=	1.166
2.	823	+	449	=	1.272
3.	755	+	334	=	1.089
4.	617	+	460	=	1.077
5.	899	+	410	=	1.309
6.	931	+	650	=	1.581
7.	843	+	229	=	1.072
8.	498	+	304	=	802
9.	777	+	709	=	1.486
10.	744	+	435	=	1.179

Oefening 3
1.	893	+	273	=	1.166
2.	850	+	201	=	1.051
3.	582	+	465	=	1.047
4.	716	+	680	=	1.396
5.	957	+	598	=	1.555
6.	962	+	466	=	1.428
7.	961	+	907	=	1.868
8.	966	+	904	=	1.870
9.	736	+	385	=	1.121
10.	911	+	267	=	1.178

Oefening 4
1.	439	+	301	=	740
2.	851	+	215	=	1.066
3.	409	+	310	=	719
4.	830	+	608	=	1.438
5.	526	+	306	=	832
6.	376	+	303	=	679
7.	900	+	489	=	1.389
8.	644	+	578	=	1.222
9.	929	+	922	=	1.851
10.	449	+	418	=	867