Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	883	+		=	1.239
2.	842	+		=	1.594
3.	538	+		=	871
4.	644	+		=	1.198
5.	433	+		=	648
6.	686	+		=	967
7.	703	+		=	987
8.	442	+		=	687
9.	689	+		=	945
10.	972	+		=	1.680

Oefening 2
1.	571	+		=	918
2.	721	+		=	1.406
3.	711	+		=	1.144
4.	571	+		=	1.014
5.	763	+		=	1.060
6.	490	+		=	932
7.	992	+		=	1.302
8.	745	+		=	1.048
9.	880	+		=	1.438
10.	783	+		=	1.562

Oefening 3
1.	992	+		=	1.322
2.	603	+		=	934
3.	901	+		=	1.759
4.	651	+		=	1.300
5.	365	+		=	700
6.	790	+		=	1.466
7.	922	+		=	1.308
8.	963	+		=	1.201
9.	861	+		=	1.452
10.	553	+		=	855

Oefening 4
1.	788	+		=	1.562
2.	823	+		=	1.619
3.	889	+		=	1.406
4.	998	+		=	1.277
5.	776	+		=	1.056
6.	433	+		=	767
7.	951	+		=	1.509
8.	692	+		=	1.050
9.	813	+		=	1.317
10.	999	+		=	1.708

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	883	+	356	=	1.239
2.	842	+	752	=	1.594
3.	538	+	333	=	871
4.	644	+	554	=	1.198
5.	433	+	215	=	648
6.	686	+	281	=	967
7.	703	+	284	=	987
8.	442	+	245	=	687
9.	689	+	256	=	945
10.	972	+	708	=	1.680

Oefening 2
1.	571	+	347	=	918
2.	721	+	685	=	1.406
3.	711	+	433	=	1.144
4.	571	+	443	=	1.014
5.	763	+	297	=	1.060
6.	490	+	442	=	932
7.	992	+	310	=	1.302
8.	745	+	303	=	1.048
9.	880	+	558	=	1.438
10.	783	+	779	=	1.562

Oefening 3
1.	992	+	330	=	1.322
2.	603	+	331	=	934
3.	901	+	858	=	1.759
4.	651	+	649	=	1.300
5.	365	+	335	=	700
6.	790	+	676	=	1.466
7.	922	+	386	=	1.308
8.	963	+	238	=	1.201
9.	861	+	591	=	1.452
10.	553	+	302	=	855

Oefening 4
1.	788	+	774	=	1.562
2.	823	+	796	=	1.619
3.	889	+	517	=	1.406
4.	998	+	279	=	1.277
5.	776	+	280	=	1.056
6.	433	+	334	=	767
7.	951	+	558	=	1.509
8.	692	+	358	=	1.050
9.	813	+	504	=	1.317
10.	999	+	709	=	1.708