Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	449	+		=	808
2.	883	+		=	1.106
3.	958	+		=	1.827
4.	726	+		=	1.158
5.	543	+		=	1.080
6.	684	+		=	1.181
7.	834	+		=	1.231
8.	541	+		=	850
9.	749	+		=	1.456
10.	758	+		=	1.154

Oefening 2
1.	997	+		=	1.319
2.	541	+		=	826
3.	890	+		=	1.346
4.	918	+		=	1.546
5.	689	+		=	939
6.	945	+		=	1.267
7.	769	+		=	1.448
8.	297	+		=	512
9.	524	+		=	795
10.	940	+		=	1.159

Oefening 3
1.	620	+		=	1.134
2.	729	+		=	1.261
3.	661	+		=	1.084
4.	921	+		=	1.714
5.	506	+		=	756
6.	516	+		=	874
7.	676	+		=	1.251
8.	571	+		=	998
9.	596	+		=	1.090
10.	537	+		=	845

Oefening 4
1.	963	+		=	1.297
2.	661	+		=	1.278
3.	572	+		=	789
4.	951	+		=	1.458
5.	578	+		=	987
6.	455	+		=	863
7.	784	+		=	1.125
8.	914	+		=	1.207
9.	608	+		=	1.060
10.	915	+		=	1.432

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	449	+	359	=	808
2.	883	+	223	=	1.106
3.	958	+	869	=	1.827
4.	726	+	432	=	1.158
5.	543	+	537	=	1.080
6.	684	+	497	=	1.181
7.	834	+	397	=	1.231
8.	541	+	309	=	850
9.	749	+	707	=	1.456
10.	758	+	396	=	1.154

Oefening 2
1.	997	+	322	=	1.319
2.	541	+	285	=	826
3.	890	+	456	=	1.346
4.	918	+	628	=	1.546
5.	689	+	250	=	939
6.	945	+	322	=	1.267
7.	769	+	679	=	1.448
8.	297	+	215	=	512
9.	524	+	271	=	795
10.	940	+	219	=	1.159

Oefening 3
1.	620	+	514	=	1.134
2.	729	+	532	=	1.261
3.	661	+	423	=	1.084
4.	921	+	793	=	1.714
5.	506	+	250	=	756
6.	516	+	358	=	874
7.	676	+	575	=	1.251
8.	571	+	427	=	998
9.	596	+	494	=	1.090
10.	537	+	308	=	845

Oefening 4
1.	963	+	334	=	1.297
2.	661	+	617	=	1.278
3.	572	+	217	=	789
4.	951	+	507	=	1.458
5.	578	+	409	=	987
6.	455	+	408	=	863
7.	784	+	341	=	1.125
8.	914	+	293	=	1.207
9.	608	+	452	=	1.060
10.	915	+	517	=	1.432