Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	972	+		=	1.617
2.	513	+		=	924
3.	939	+		=	1.517
4.	736	+		=	1.023
5.	909	+		=	1.817
6.	537	+		=	1.005
7.	864	+		=	1.507
8.	622	+		=	864
9.	455	+		=	782
10.	909	+		=	1.726

Oefening 2
1.	526	+		=	917
2.	872	+		=	1.444
3.	823	+		=	1.234
4.	963	+		=	1.348
5.	876	+		=	1.359
6.	387	+		=	672
7.	964	+		=	1.538
8.	779	+		=	1.062
9.	314	+		=	586
10.	732	+		=	1.121

Oefening 3
1.	560	+		=	1.065
2.	619	+		=	1.139
3.	960	+		=	1.485
4.	662	+		=	1.198
5.	388	+		=	620
6.	972	+		=	1.863
7.	487	+		=	890
8.	813	+		=	1.559
9.	875	+		=	1.155
10.	711	+		=	931

Oefening 4
1.	837	+		=	1.151
2.	535	+		=	918
3.	763	+		=	1.441
4.	775	+		=	1.483
5.	663	+		=	986
6.	688	+		=	1.059
7.	924	+		=	1.176
8.	574	+		=	1.075
9.	547	+		=	763
10.	840	+		=	1.490

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	972	+	645	=	1.617
2.	513	+	411	=	924
3.	939	+	578	=	1.517
4.	736	+	287	=	1.023
5.	909	+	908	=	1.817
6.	537	+	468	=	1.005
7.	864	+	643	=	1.507
8.	622	+	242	=	864
9.	455	+	327	=	782
10.	909	+	817	=	1.726

Oefening 2
1.	526	+	391	=	917
2.	872	+	572	=	1.444
3.	823	+	411	=	1.234
4.	963	+	385	=	1.348
5.	876	+	483	=	1.359
6.	387	+	285	=	672
7.	964	+	574	=	1.538
8.	779	+	283	=	1.062
9.	314	+	272	=	586
10.	732	+	389	=	1.121

Oefening 3
1.	560	+	505	=	1.065
2.	619	+	520	=	1.139
3.	960	+	525	=	1.485
4.	662	+	536	=	1.198
5.	388	+	232	=	620
6.	972	+	891	=	1.863
7.	487	+	403	=	890
8.	813	+	746	=	1.559
9.	875	+	280	=	1.155
10.	711	+	220	=	931

Oefening 4
1.	837	+	314	=	1.151
2.	535	+	383	=	918
3.	763	+	678	=	1.441
4.	775	+	708	=	1.483
5.	663	+	323	=	986
6.	688	+	371	=	1.059
7.	924	+	252	=	1.176
8.	574	+	501	=	1.075
9.	547	+	216	=	763
10.	840	+	650	=	1.490