Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	872	+		=	1.108
2.	397	+		=	711
3.	893	+		=	1.289
4.	992	+		=	1.705
5.	864	+		=	1.264
6.	419	+		=	809
7.	634	+		=	954
8.	774	+		=	1.480
9.	866	+		=	1.292
10.	1.000	+		=	1.359

Oefening 2
1.	700	+		=	950
2.	940	+		=	1.759
3.	855	+		=	1.168
4.	471	+		=	778
5.	964	+		=	1.306
6.	710	+		=	1.339
7.	874	+		=	1.239
8.	428	+		=	643
9.	975	+		=	1.393
10.	860	+		=	1.444

Oefening 3
1.	780	+		=	1.405
2.	728	+		=	1.162
3.	915	+		=	1.683
4.	882	+		=	1.638
5.	996	+		=	1.560
6.	843	+		=	1.255
7.	900	+		=	1.412
8.	476	+		=	869
9.	473	+		=	857
10.	984	+		=	1.712

Oefening 4
1.	416	+		=	760
2.	959	+		=	1.273
3.	857	+		=	1.253
4.	626	+		=	1.142
5.	361	+		=	581
6.	992	+		=	1.806
7.	652	+		=	1.008
8.	820	+		=	1.539
9.	646	+		=	911
10.	890	+		=	1.205

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	872	+	236	=	1.108
2.	397	+	314	=	711
3.	893	+	396	=	1.289
4.	992	+	713	=	1.705
5.	864	+	400	=	1.264
6.	419	+	390	=	809
7.	634	+	320	=	954
8.	774	+	706	=	1.480
9.	866	+	426	=	1.292
10.	1.000	+	359	=	1.359

Oefening 2
1.	700	+	250	=	950
2.	940	+	819	=	1.759
3.	855	+	313	=	1.168
4.	471	+	307	=	778
5.	964	+	342	=	1.306
6.	710	+	629	=	1.339
7.	874	+	365	=	1.239
8.	428	+	215	=	643
9.	975	+	418	=	1.393
10.	860	+	584	=	1.444

Oefening 3
1.	780	+	625	=	1.405
2.	728	+	434	=	1.162
3.	915	+	768	=	1.683
4.	882	+	756	=	1.638
5.	996	+	564	=	1.560
6.	843	+	412	=	1.255
7.	900	+	512	=	1.412
8.	476	+	393	=	869
9.	473	+	384	=	857
10.	984	+	728	=	1.712

Oefening 4
1.	416	+	344	=	760
2.	959	+	314	=	1.273
3.	857	+	396	=	1.253
4.	626	+	516	=	1.142
5.	361	+	220	=	581
6.	992	+	814	=	1.806
7.	652	+	356	=	1.008
8.	820	+	719	=	1.539
9.	646	+	265	=	911
10.	890	+	315	=	1.205