Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	313	+		=	573
2.	774	+		=	1.537
3.	522	+		=	932
4.	943	+		=	1.524
5.	303	+		=	585
6.	497	+		=	734
7.	667	+		=	1.203
8.	522	+		=	1.021
9.	635	+		=	1.258
10.	867	+		=	1.131

Oefening 2
1.	777	+		=	1.248
2.	996	+		=	1.961
3.	855	+		=	1.417
4.	460	+		=	897
5.	698	+		=	1.290
6.	964	+		=	1.624
7.	330	+		=	633
8.	771	+		=	1.203
9.	803	+		=	1.330
10.	988	+		=	1.407

Oefening 3
1.	715	+		=	1.295
2.	825	+		=	1.440
3.	521	+		=	1.007
4.	518	+		=	916
5.	963	+		=	1.795
6.	850	+		=	1.479
7.	921	+		=	1.637
8.	861	+		=	1.352
9.	746	+		=	1.319
10.	947	+		=	1.581

Oefening 4
1.	634	+		=	939
2.	804	+		=	1.472
3.	689	+		=	1.188
4.	676	+		=	949
5.	896	+		=	1.253
6.	471	+		=	730
7.	383	+		=	688
8.	591	+		=	853
9.	447	+		=	675
10.	978	+		=	1.436

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	313	+	260	=	573
2.	774	+	763	=	1.537
3.	522	+	410	=	932
4.	943	+	581	=	1.524
5.	303	+	282	=	585
6.	497	+	237	=	734
7.	667	+	536	=	1.203
8.	522	+	499	=	1.021
9.	635	+	623	=	1.258
10.	867	+	264	=	1.131

Oefening 2
1.	777	+	471	=	1.248
2.	996	+	965	=	1.961
3.	855	+	562	=	1.417
4.	460	+	437	=	897
5.	698	+	592	=	1.290
6.	964	+	660	=	1.624
7.	330	+	303	=	633
8.	771	+	432	=	1.203
9.	803	+	527	=	1.330
10.	988	+	419	=	1.407

Oefening 3
1.	715	+	580	=	1.295
2.	825	+	615	=	1.440
3.	521	+	486	=	1.007
4.	518	+	398	=	916
5.	963	+	832	=	1.795
6.	850	+	629	=	1.479
7.	921	+	716	=	1.637
8.	861	+	491	=	1.352
9.	746	+	573	=	1.319
10.	947	+	634	=	1.581

Oefening 4
1.	634	+	305	=	939
2.	804	+	668	=	1.472
3.	689	+	499	=	1.188
4.	676	+	273	=	949
5.	896	+	357	=	1.253
6.	471	+	259	=	730
7.	383	+	305	=	688
8.	591	+	262	=	853
9.	447	+	228	=	675
10.	978	+	458	=	1.436