Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	767	+		=	970
2.	411	+		=	775
3.	386	+		=	742
4.	944	+		=	1.227
5.	679	+		=	1.086
6.	929	+		=	1.171
7.	726	+		=	1.444
8.	941	+		=	1.768
9.	592	+		=	945
10.	613	+		=	923

Oefening 2
1.	927	+		=	1.466
2.	848	+		=	1.127
3.	816	+		=	1.160
4.	463	+		=	846
5.	822	+		=	1.635
6.	821	+		=	1.155
7.	403	+		=	633
8.	918	+		=	1.265
9.	978	+		=	1.575
10.	560	+		=	859

Oefening 3
1.	840	+		=	1.198
2.	970	+		=	1.543
3.	965	+		=	1.633
4.	748	+		=	1.002
5.	607	+		=	1.045
6.	851	+		=	1.370
7.	637	+		=	982
8.	745	+		=	1.488
9.	667	+		=	1.329
10.	623	+		=	885

Oefening 4
1.	514	+		=	747
2.	660	+		=	1.067
3.	263	+		=	525
4.	881	+		=	1.253
5.	625	+		=	1.047
6.	632	+		=	871
7.	1.000	+		=	1.604
8.	595	+		=	1.165
9.	770	+		=	1.460
10.	978	+		=	1.571

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	767	+	203	=	970
2.	411	+	364	=	775
3.	386	+	356	=	742
4.	944	+	283	=	1.227
5.	679	+	407	=	1.086
6.	929	+	242	=	1.171
7.	726	+	718	=	1.444
8.	941	+	827	=	1.768
9.	592	+	353	=	945
10.	613	+	310	=	923

Oefening 2
1.	927	+	539	=	1.466
2.	848	+	279	=	1.127
3.	816	+	344	=	1.160
4.	463	+	383	=	846
5.	822	+	813	=	1.635
6.	821	+	334	=	1.155
7.	403	+	230	=	633
8.	918	+	347	=	1.265
9.	978	+	597	=	1.575
10.	560	+	299	=	859

Oefening 3
1.	840	+	358	=	1.198
2.	970	+	573	=	1.543
3.	965	+	668	=	1.633
4.	748	+	254	=	1.002
5.	607	+	438	=	1.045
6.	851	+	519	=	1.370
7.	637	+	345	=	982
8.	745	+	743	=	1.488
9.	667	+	662	=	1.329
10.	623	+	262	=	885

Oefening 4
1.	514	+	233	=	747
2.	660	+	407	=	1.067
3.	263	+	262	=	525
4.	881	+	372	=	1.253
5.	625	+	422	=	1.047
6.	632	+	239	=	871
7.	1.000	+	604	=	1.604
8.	595	+	570	=	1.165
9.	770	+	690	=	1.460
10.	978	+	593	=	1.571