Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	900	+		=	1.582
2.	715	+		=	1.284
3.	523	+		=	854
4.	532	+		=	992
5.	921	+		=	1.414
6.	589	+		=	1.101
7.	958	+		=	1.297
8.	969	+		=	1.564
9.	857	+		=	1.490
10.	512	+		=	960

Oefening 2
1.	670	+		=	1.161
2.	837	+		=	1.057
3.	828	+		=	1.487
4.	788	+		=	1.280
5.	794	+		=	1.042
6.	906	+		=	1.744
7.	694	+		=	923
8.	723	+		=	1.445
9.	698	+		=	1.153
10.	808	+		=	1.158

Oefening 3
1.	981	+		=	1.753
2.	498	+		=	859
3.	836	+		=	1.321
4.	888	+		=	1.227
5.	459	+		=	848
6.	807	+		=	1.501
7.	482	+		=	799
8.	968	+		=	1.755
9.	930	+		=	1.638
10.	510	+		=	851

Oefening 4
1.	872	+		=	1.134
2.	994	+		=	1.371
3.	690	+		=	1.258
4.	724	+		=	1.369
5.	671	+		=	912
6.	502	+		=	871
7.	917	+		=	1.672
8.	979	+		=	1.391
9.	933	+		=	1.821
10.	844	+		=	1.671

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	900	+	682	=	1.582
2.	715	+	569	=	1.284
3.	523	+	331	=	854
4.	532	+	460	=	992
5.	921	+	493	=	1.414
6.	589	+	512	=	1.101
7.	958	+	339	=	1.297
8.	969	+	595	=	1.564
9.	857	+	633	=	1.490
10.	512	+	448	=	960

Oefening 2
1.	670	+	491	=	1.161
2.	837	+	220	=	1.057
3.	828	+	659	=	1.487
4.	788	+	492	=	1.280
5.	794	+	248	=	1.042
6.	906	+	838	=	1.744
7.	694	+	229	=	923
8.	723	+	722	=	1.445
9.	698	+	455	=	1.153
10.	808	+	350	=	1.158

Oefening 3
1.	981	+	772	=	1.753
2.	498	+	361	=	859
3.	836	+	485	=	1.321
4.	888	+	339	=	1.227
5.	459	+	389	=	848
6.	807	+	694	=	1.501
7.	482	+	317	=	799
8.	968	+	787	=	1.755
9.	930	+	708	=	1.638
10.	510	+	341	=	851

Oefening 4
1.	872	+	262	=	1.134
2.	994	+	377	=	1.371
3.	690	+	568	=	1.258
4.	724	+	645	=	1.369
5.	671	+	241	=	912
6.	502	+	369	=	871
7.	917	+	755	=	1.672
8.	979	+	412	=	1.391
9.	933	+	888	=	1.821
10.	844	+	827	=	1.671