Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	820	+		=	1.331
2.	905	+		=	1.604
3.	625	+		=	1.090
4.	607	+		=	928
5.	379	+		=	689
6.	936	+		=	1.844
7.	803	+		=	1.605
8.	905	+		=	1.686
9.	972	+		=	1.197
10.	610	+		=	1.168

Oefening 2
1.	327	+		=	533
2.	900	+		=	1.722
3.	832	+		=	1.036
4.	983	+		=	1.560
5.	751	+		=	1.059
6.	857	+		=	1.589
7.	618	+		=	1.208
8.	601	+		=	927
9.	433	+		=	855
10.	735	+		=	950

Oefening 3
1.	492	+		=	857
2.	727	+		=	1.263
3.	851	+		=	1.295
4.	656	+		=	1.111
5.	670	+		=	922
6.	956	+		=	1.251
7.	979	+		=	1.921
8.	979	+		=	1.184
9.	446	+		=	786
10.	401	+		=	619

Oefening 4
1.	647	+		=	912
2.	871	+		=	1.300
3.	639	+		=	941
4.	905	+		=	1.665
5.	391	+		=	620
6.	361	+		=	680
7.	600	+		=	1.084
8.	508	+		=	757
9.	639	+		=	1.123
10.	746	+		=	1.335

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	820	+	511	=	1.331
2.	905	+	699	=	1.604
3.	625	+	465	=	1.090
4.	607	+	321	=	928
5.	379	+	310	=	689
6.	936	+	908	=	1.844
7.	803	+	802	=	1.605
8.	905	+	781	=	1.686
9.	972	+	225	=	1.197
10.	610	+	558	=	1.168

Oefening 2
1.	327	+	206	=	533
2.	900	+	822	=	1.722
3.	832	+	204	=	1.036
4.	983	+	577	=	1.560
5.	751	+	308	=	1.059
6.	857	+	732	=	1.589
7.	618	+	590	=	1.208
8.	601	+	326	=	927
9.	433	+	422	=	855
10.	735	+	215	=	950

Oefening 3
1.	492	+	365	=	857
2.	727	+	536	=	1.263
3.	851	+	444	=	1.295
4.	656	+	455	=	1.111
5.	670	+	252	=	922
6.	956	+	295	=	1.251
7.	979	+	942	=	1.921
8.	979	+	205	=	1.184
9.	446	+	340	=	786
10.	401	+	218	=	619

Oefening 4
1.	647	+	265	=	912
2.	871	+	429	=	1.300
3.	639	+	302	=	941
4.	905	+	760	=	1.665
5.	391	+	229	=	620
6.	361	+	319	=	680
7.	600	+	484	=	1.084
8.	508	+	249	=	757
9.	639	+	484	=	1.123
10.	746	+	589	=	1.335