Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	559	+		=	908
2.	801	+		=	1.195
3.	916	+		=	1.824
4.	687	+		=	1.221
5.	814	+		=	1.136
6.	688	+		=	1.123
7.	463	+		=	915
8.	975	+		=	1.240
9.	632	+		=	1.110
10.	920	+		=	1.788

Oefening 2
1.	546	+		=	868
2.	581	+		=	867
3.	901	+		=	1.576
4.	523	+		=	824
5.	753	+		=	1.041
6.	728	+		=	1.323
7.	705	+		=	1.279
8.	708	+		=	955
9.	661	+		=	1.077
10.	658	+		=	1.067

Oefening 3
1.	595	+		=	947
2.	943	+		=	1.481
3.	547	+		=	781
4.	659	+		=	909
5.	954	+		=	1.838
6.	958	+		=	1.699
7.	796	+		=	1.409
8.	383	+		=	720
9.	660	+		=	926
10.	560	+		=	922

Oefening 4
1.	954	+		=	1.647
2.	885	+		=	1.698
3.	979	+		=	1.467
4.	578	+		=	790
5.	778	+		=	1.325
6.	981	+		=	1.959
7.	952	+		=	1.449
8.	790	+		=	1.284
9.	591	+		=	1.030
10.	757	+		=	1.089

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	559	+	349	=	908
2.	801	+	394	=	1.195
3.	916	+	908	=	1.824
4.	687	+	534	=	1.221
5.	814	+	322	=	1.136
6.	688	+	435	=	1.123
7.	463	+	452	=	915
8.	975	+	265	=	1.240
9.	632	+	478	=	1.110
10.	920	+	868	=	1.788

Oefening 2
1.	546	+	322	=	868
2.	581	+	286	=	867
3.	901	+	675	=	1.576
4.	523	+	301	=	824
5.	753	+	288	=	1.041
6.	728	+	595	=	1.323
7.	705	+	574	=	1.279
8.	708	+	247	=	955
9.	661	+	416	=	1.077
10.	658	+	409	=	1.067

Oefening 3
1.	595	+	352	=	947
2.	943	+	538	=	1.481
3.	547	+	234	=	781
4.	659	+	250	=	909
5.	954	+	884	=	1.838
6.	958	+	741	=	1.699
7.	796	+	613	=	1.409
8.	383	+	337	=	720
9.	660	+	266	=	926
10.	560	+	362	=	922

Oefening 4
1.	954	+	693	=	1.647
2.	885	+	813	=	1.698
3.	979	+	488	=	1.467
4.	578	+	212	=	790
5.	778	+	547	=	1.325
6.	981	+	978	=	1.959
7.	952	+	497	=	1.449
8.	790	+	494	=	1.284
9.	591	+	439	=	1.030
10.	757	+	332	=	1.089