Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	957	+		=	1.568
2.	599	+		=	901
3.	686	+		=	1.320
4.	508	+		=	771
5.	763	+		=	1.154
6.	378	+		=	747
7.	767	+		=	1.321
8.	626	+		=	1.154
9.	732	+		=	1.104
10.	782	+		=	1.161

Oefening 2
1.	279	+		=	517
2.	741	+		=	1.054
3.	506	+		=	845
4.	261	+		=	500
5.	798	+		=	1.586
6.	255	+		=	488
7.	665	+		=	1.284
8.	578	+		=	817
9.	785	+		=	1.532
10.	918	+		=	1.529

Oefening 3
1.	860	+		=	1.127
2.	852	+		=	1.467
3.	625	+		=	848
4.	419	+		=	626
5.	726	+		=	1.323
6.	555	+		=	1.080
7.	870	+		=	1.540
8.	796	+		=	1.296
9.	913	+		=	1.263
10.	834	+		=	1.149

Oefening 4
1.	754	+		=	1.454
2.	672	+		=	1.022
3.	439	+		=	732
4.	607	+		=	1.064
5.	859	+		=	1.573
6.	920	+		=	1.762
7.	994	+		=	1.705
8.	994	+		=	1.253
9.	671	+		=	911
10.	744	+		=	1.158

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	957	+	611	=	1.568
2.	599	+	302	=	901
3.	686	+	634	=	1.320
4.	508	+	263	=	771
5.	763	+	391	=	1.154
6.	378	+	369	=	747
7.	767	+	554	=	1.321
8.	626	+	528	=	1.154
9.	732	+	372	=	1.104
10.	782	+	379	=	1.161

Oefening 2
1.	279	+	238	=	517
2.	741	+	313	=	1.054
3.	506	+	339	=	845
4.	261	+	239	=	500
5.	798	+	788	=	1.586
6.	255	+	233	=	488
7.	665	+	619	=	1.284
8.	578	+	239	=	817
9.	785	+	747	=	1.532
10.	918	+	611	=	1.529

Oefening 3
1.	860	+	267	=	1.127
2.	852	+	615	=	1.467
3.	625	+	223	=	848
4.	419	+	207	=	626
5.	726	+	597	=	1.323
6.	555	+	525	=	1.080
7.	870	+	670	=	1.540
8.	796	+	500	=	1.296
9.	913	+	350	=	1.263
10.	834	+	315	=	1.149

Oefening 4
1.	754	+	700	=	1.454
2.	672	+	350	=	1.022
3.	439	+	293	=	732
4.	607	+	457	=	1.064
5.	859	+	714	=	1.573
6.	920	+	842	=	1.762
7.	994	+	711	=	1.705
8.	994	+	259	=	1.253
9.	671	+	240	=	911
10.	744	+	414	=	1.158