Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	714	+		=	1.419
2.	808	+		=	1.611
3.	891	+		=	1.702
4.	311	+		=	586
5.	920	+		=	1.474
6.	840	+		=	1.467
7.	849	+		=	1.531
8.	775	+		=	1.292
9.	909	+		=	1.470
10.	941	+		=	1.619

Oefening 2
1.	972	+		=	1.645
2.	679	+		=	949
3.	443	+		=	858
4.	524	+		=	825
5.	521	+		=	915
6.	427	+		=	843
7.	894	+		=	1.491
8.	942	+		=	1.735
9.	732	+		=	1.110
10.	468	+		=	679

Oefening 3
1.	423	+		=	834
2.	710	+		=	975
3.	963	+		=	1.711
4.	780	+		=	1.259
5.	641	+		=	1.212
6.	855	+		=	1.346
7.	951	+		=	1.460
8.	976	+		=	1.681
9.	801	+		=	1.197
10.	952	+		=	1.487

Oefening 4
1.	606	+		=	1.032
2.	894	+		=	1.598
3.	805	+		=	1.420
4.	629	+		=	1.117
5.	624	+		=	1.205
6.	949	+		=	1.780
7.	737	+		=	1.108
8.	613	+		=	1.020
9.	828	+		=	1.362
10.	558	+		=	1.046

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	714	+	705	=	1.419
2.	808	+	803	=	1.611
3.	891	+	811	=	1.702
4.	311	+	275	=	586
5.	920	+	554	=	1.474
6.	840	+	627	=	1.467
7.	849	+	682	=	1.531
8.	775	+	517	=	1.292
9.	909	+	561	=	1.470
10.	941	+	678	=	1.619

Oefening 2
1.	972	+	673	=	1.645
2.	679	+	270	=	949
3.	443	+	415	=	858
4.	524	+	301	=	825
5.	521	+	394	=	915
6.	427	+	416	=	843
7.	894	+	597	=	1.491
8.	942	+	793	=	1.735
9.	732	+	378	=	1.110
10.	468	+	211	=	679

Oefening 3
1.	423	+	411	=	834
2.	710	+	265	=	975
3.	963	+	748	=	1.711
4.	780	+	479	=	1.259
5.	641	+	571	=	1.212
6.	855	+	491	=	1.346
7.	951	+	509	=	1.460
8.	976	+	705	=	1.681
9.	801	+	396	=	1.197
10.	952	+	535	=	1.487

Oefening 4
1.	606	+	426	=	1.032
2.	894	+	704	=	1.598
3.	805	+	615	=	1.420
4.	629	+	488	=	1.117
5.	624	+	581	=	1.205
6.	949	+	831	=	1.780
7.	737	+	371	=	1.108
8.	613	+	407	=	1.020
9.	828	+	534	=	1.362
10.	558	+	488	=	1.046