Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	455	+		=	743
2.	938	+		=	1.608
3.	920	+		=	1.611
4.	925	+		=	1.530
5.	758	+		=	1.510
6.	755	+		=	1.116
7.	665	+		=	1.012
8.	278	+		=	547
9.	969	+		=	1.554
10.	907	+		=	1.722

Oefening 2
1.	411	+		=	743
2.	699	+		=	905
3.	687	+		=	1.130
4.	848	+		=	1.477
5.	978	+		=	1.886
6.	920	+		=	1.238
7.	998	+		=	1.425
8.	440	+		=	830
9.	835	+		=	1.394
10.	923	+		=	1.714

Oefening 3
1.	968	+		=	1.494
2.	849	+		=	1.264
3.	974	+		=	1.536
4.	610	+		=	1.039
5.	742	+		=	1.351
6.	977	+		=	1.337
7.	768	+		=	1.535
8.	594	+		=	920
9.	760	+		=	960
10.	939	+		=	1.159

Oefening 4
1.	506	+		=	968
2.	537	+		=	760
3.	833	+		=	1.596
4.	879	+		=	1.178
5.	745	+		=	1.376
6.	750	+		=	976
7.	555	+		=	1.061
8.	849	+		=	1.307
9.	296	+		=	506
10.	812	+		=	1.138

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	455	+	288	=	743
2.	938	+	670	=	1.608
3.	920	+	691	=	1.611
4.	925	+	605	=	1.530
5.	758	+	752	=	1.510
6.	755	+	361	=	1.116
7.	665	+	347	=	1.012
8.	278	+	269	=	547
9.	969	+	585	=	1.554
10.	907	+	815	=	1.722

Oefening 2
1.	411	+	332	=	743
2.	699	+	206	=	905
3.	687	+	443	=	1.130
4.	848	+	629	=	1.477
5.	978	+	908	=	1.886
6.	920	+	318	=	1.238
7.	998	+	427	=	1.425
8.	440	+	390	=	830
9.	835	+	559	=	1.394
10.	923	+	791	=	1.714

Oefening 3
1.	968	+	526	=	1.494
2.	849	+	415	=	1.264
3.	974	+	562	=	1.536
4.	610	+	429	=	1.039
5.	742	+	609	=	1.351
6.	977	+	360	=	1.337
7.	768	+	767	=	1.535
8.	594	+	326	=	920
9.	760	+	200	=	960
10.	939	+	220	=	1.159

Oefening 4
1.	506	+	462	=	968
2.	537	+	223	=	760
3.	833	+	763	=	1.596
4.	879	+	299	=	1.178
5.	745	+	631	=	1.376
6.	750	+	226	=	976
7.	555	+	506	=	1.061
8.	849	+	458	=	1.307
9.	296	+	210	=	506
10.	812	+	326	=	1.138