Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	472	+		=	900
2.	987	+		=	1.396
3.	946	+		=	1.411
4.	946	+		=	1.360
5.	638	+		=	1.247
6.	723	+		=	952
7.	888	+		=	1.457
8.	809	+		=	1.304
9.	956	+		=	1.732
10.	280	+		=	516

Oefening 2
1.	924	+		=	1.436
2.	375	+		=	580
3.	693	+		=	1.356
4.	833	+		=	1.297
5.	850	+		=	1.323
6.	951	+		=	1.431
7.	814	+		=	1.261
8.	818	+		=	1.364
9.	811	+		=	1.078
10.	997	+		=	1.778

Oefening 3
1.	677	+		=	1.103
2.	517	+		=	765
3.	532	+		=	947
4.	806	+		=	1.094
5.	767	+		=	1.233
6.	534	+		=	934
7.	848	+		=	1.432
8.	966	+		=	1.486
9.	618	+		=	1.139
10.	666	+		=	889

Oefening 4
1.	987	+		=	1.844
2.	597	+		=	853
3.	911	+		=	1.714
4.	832	+		=	1.389
5.	667	+		=	1.132
6.	875	+		=	1.429
7.	929	+		=	1.274
8.	630	+		=	1.082
9.	883	+		=	1.166
10.	988	+		=	1.418

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	472	+	428	=	900
2.	987	+	409	=	1.396
3.	946	+	465	=	1.411
4.	946	+	414	=	1.360
5.	638	+	609	=	1.247
6.	723	+	229	=	952
7.	888	+	569	=	1.457
8.	809	+	495	=	1.304
9.	956	+	776	=	1.732
10.	280	+	236	=	516

Oefening 2
1.	924	+	512	=	1.436
2.	375	+	205	=	580
3.	693	+	663	=	1.356
4.	833	+	464	=	1.297
5.	850	+	473	=	1.323
6.	951	+	480	=	1.431
7.	814	+	447	=	1.261
8.	818	+	546	=	1.364
9.	811	+	267	=	1.078
10.	997	+	781	=	1.778

Oefening 3
1.	677	+	426	=	1.103
2.	517	+	248	=	765
3.	532	+	415	=	947
4.	806	+	288	=	1.094
5.	767	+	466	=	1.233
6.	534	+	400	=	934
7.	848	+	584	=	1.432
8.	966	+	520	=	1.486
9.	618	+	521	=	1.139
10.	666	+	223	=	889

Oefening 4
1.	987	+	857	=	1.844
2.	597	+	256	=	853
3.	911	+	803	=	1.714
4.	832	+	557	=	1.389
5.	667	+	465	=	1.132
6.	875	+	554	=	1.429
7.	929	+	345	=	1.274
8.	630	+	452	=	1.082
9.	883	+	283	=	1.166
10.	988	+	430	=	1.418