Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	660	+		=	1.168
2.	896	+		=	1.611
3.	818	+		=	1.303
4.	751	+		=	1.174
5.	986	+		=	1.764
6.	629	+		=	1.129
7.	279	+		=	553
8.	793	+		=	1.558
9.	519	+		=	786
10.	811	+		=	1.400

Oefening 2
1.	927	+		=	1.696
2.	958	+		=	1.856
3.	858	+		=	1.194
4.	871	+		=	1.477
5.	799	+		=	1.215
6.	736	+		=	1.313
7.	489	+		=	941
8.	923	+		=	1.724
9.	967	+		=	1.932
10.	910	+		=	1.163

Oefening 3
1.	511	+		=	875
2.	754	+		=	1.088
3.	941	+		=	1.584
4.	957	+		=	1.394
5.	680	+		=	1.232
6.	789	+		=	1.106
7.	988	+		=	1.407
8.	941	+		=	1.406
9.	966	+		=	1.442
10.	237	+		=	437

Oefening 4
1.	891	+		=	1.184
2.	880	+		=	1.119
3.	690	+		=	1.028
4.	671	+		=	1.332
5.	838	+		=	1.662
6.	922	+		=	1.842
7.	935	+		=	1.563
8.	527	+		=	1.044
9.	918	+		=	1.308
10.	909	+		=	1.557

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	660	+	508	=	1.168
2.	896	+	715	=	1.611
3.	818	+	485	=	1.303
4.	751	+	423	=	1.174
5.	986	+	778	=	1.764
6.	629	+	500	=	1.129
7.	279	+	274	=	553
8.	793	+	765	=	1.558
9.	519	+	267	=	786
10.	811	+	589	=	1.400

Oefening 2
1.	927	+	769	=	1.696
2.	958	+	898	=	1.856
3.	858	+	336	=	1.194
4.	871	+	606	=	1.477
5.	799	+	416	=	1.215
6.	736	+	577	=	1.313
7.	489	+	452	=	941
8.	923	+	801	=	1.724
9.	967	+	965	=	1.932
10.	910	+	253	=	1.163

Oefening 3
1.	511	+	364	=	875
2.	754	+	334	=	1.088
3.	941	+	643	=	1.584
4.	957	+	437	=	1.394
5.	680	+	552	=	1.232
6.	789	+	317	=	1.106
7.	988	+	419	=	1.407
8.	941	+	465	=	1.406
9.	966	+	476	=	1.442
10.	237	+	200	=	437

Oefening 4
1.	891	+	293	=	1.184
2.	880	+	239	=	1.119
3.	690	+	338	=	1.028
4.	671	+	661	=	1.332
5.	838	+	824	=	1.662
6.	922	+	920	=	1.842
7.	935	+	628	=	1.563
8.	527	+	517	=	1.044
9.	918	+	390	=	1.308
10.	909	+	648	=	1.557