Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	517	+		=	1.024
2.	838	+		=	1.278
3.	637	+		=	1.234
4.	954	+		=	1.781
5.	501	+		=	781
6.	915	+		=	1.647
7.	941	+		=	1.684
8.	358	+		=	651
9.	828	+		=	1.051
10.	846	+		=	1.596

Oefening 2
1.	669	+		=	985
2.	951	+		=	1.722
3.	578	+		=	939
4.	635	+		=	879
5.	546	+		=	747
6.	819	+		=	1.219
7.	893	+		=	1.768
8.	755	+		=	1.338
9.	472	+		=	922
10.	791	+		=	1.426

Oefening 3
1.	581	+		=	1.151
2.	426	+		=	843
3.	795	+		=	1.546
4.	974	+		=	1.484
5.	774	+		=	1.522
6.	748	+		=	1.036
7.	852	+		=	1.304
8.	828	+		=	1.585
9.	911	+		=	1.738
10.	760	+		=	1.403

Oefening 4
1.	596	+		=	1.037
2.	942	+		=	1.292
3.	759	+		=	1.162
4.	758	+		=	1.199
5.	825	+		=	1.272
6.	568	+		=	861
7.	800	+		=	1.523
8.	453	+		=	751
9.	920	+		=	1.483
10.	757	+		=	1.359

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	517	+	507	=	1.024
2.	838	+	440	=	1.278
3.	637	+	597	=	1.234
4.	954	+	827	=	1.781
5.	501	+	280	=	781
6.	915	+	732	=	1.647
7.	941	+	743	=	1.684
8.	358	+	293	=	651
9.	828	+	223	=	1.051
10.	846	+	750	=	1.596

Oefening 2
1.	669	+	316	=	985
2.	951	+	771	=	1.722
3.	578	+	361	=	939
4.	635	+	244	=	879
5.	546	+	201	=	747
6.	819	+	400	=	1.219
7.	893	+	875	=	1.768
8.	755	+	583	=	1.338
9.	472	+	450	=	922
10.	791	+	635	=	1.426

Oefening 3
1.	581	+	570	=	1.151
2.	426	+	417	=	843
3.	795	+	751	=	1.546
4.	974	+	510	=	1.484
5.	774	+	748	=	1.522
6.	748	+	288	=	1.036
7.	852	+	452	=	1.304
8.	828	+	757	=	1.585
9.	911	+	827	=	1.738
10.	760	+	643	=	1.403

Oefening 4
1.	596	+	441	=	1.037
2.	942	+	350	=	1.292
3.	759	+	403	=	1.162
4.	758	+	441	=	1.199
5.	825	+	447	=	1.272
6.	568	+	293	=	861
7.	800	+	723	=	1.523
8.	453	+	298	=	751
9.	920	+	563	=	1.483
10.	757	+	602	=	1.359