Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	974	+		=	1.514
2.	427	+		=	738
3.	777	+		=	1.205
4.	818	+		=	1.528
5.	602	+		=	947
6.	867	+		=	1.123
7.	653	+		=	1.083
8.	391	+		=	601
9.	786	+		=	1.121
10.	889	+		=	1.138

Oefening 2
1.	609	+		=	1.071
2.	562	+		=	840
3.	546	+		=	925
4.	459	+		=	768
5.	853	+		=	1.449
6.	788	+		=	1.096
7.	587	+		=	872
8.	727	+		=	1.409
9.	399	+		=	696
10.	669	+		=	978

Oefening 3
1.	995	+		=	1.599
2.	921	+		=	1.502
3.	714	+		=	1.022
4.	877	+		=	1.576
5.	759	+		=	1.006
6.	525	+		=	966
7.	977	+		=	1.454
8.	500	+		=	964
9.	700	+		=	1.185
10.	855	+		=	1.382

Oefening 4
1.	747	+		=	1.345
2.	328	+		=	560
3.	971	+		=	1.285
4.	581	+		=	952
5.	720	+		=	1.247
6.	449	+		=	751
7.	621	+		=	838
8.	629	+		=	1.221
9.	820	+		=	1.070
10.	620	+		=	1.058

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	974	+	540	=	1.514
2.	427	+	311	=	738
3.	777	+	428	=	1.205
4.	818	+	710	=	1.528
5.	602	+	345	=	947
6.	867	+	256	=	1.123
7.	653	+	430	=	1.083
8.	391	+	210	=	601
9.	786	+	335	=	1.121
10.	889	+	249	=	1.138

Oefening 2
1.	609	+	462	=	1.071
2.	562	+	278	=	840
3.	546	+	379	=	925
4.	459	+	309	=	768
5.	853	+	596	=	1.449
6.	788	+	308	=	1.096
7.	587	+	285	=	872
8.	727	+	682	=	1.409
9.	399	+	297	=	696
10.	669	+	309	=	978

Oefening 3
1.	995	+	604	=	1.599
2.	921	+	581	=	1.502
3.	714	+	308	=	1.022
4.	877	+	699	=	1.576
5.	759	+	247	=	1.006
6.	525	+	441	=	966
7.	977	+	477	=	1.454
8.	500	+	464	=	964
9.	700	+	485	=	1.185
10.	855	+	527	=	1.382

Oefening 4
1.	747	+	598	=	1.345
2.	328	+	232	=	560
3.	971	+	314	=	1.285
4.	581	+	371	=	952
5.	720	+	527	=	1.247
6.	449	+	302	=	751
7.	621	+	217	=	838
8.	629	+	592	=	1.221
9.	820	+	250	=	1.070
10.	620	+	438	=	1.058