Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	489	+		=	946
2.	970	+		=	1.526
3.	981	+		=	1.875
4.	935	+		=	1.619
5.	437	+		=	873
6.	528	+		=	846
7.	891	+		=	1.707
8.	572	+		=	931
9.	695	+		=	1.352
10.	824	+		=	1.418

Oefening 2
1.	689	+		=	1.349
2.	938	+		=	1.703
3.	344	+		=	666
4.	918	+		=	1.642
5.	685	+		=	967
6.	926	+		=	1.166
7.	612	+		=	1.111
8.	830	+		=	1.477
9.	779	+		=	1.235
10.	757	+		=	981

Oefening 3
1.	798	+		=	1.026
2.	589	+		=	1.123
3.	730	+		=	980
4.	843	+		=	1.556
5.	611	+		=	1.053
6.	569	+		=	1.090
7.	842	+		=	1.577
8.	682	+		=	915
9.	655	+		=	1.238
10.	542	+		=	908

Oefening 4
1.	748	+		=	1.157
2.	519	+		=	898
3.	827	+		=	1.319
4.	861	+		=	1.242
5.	980	+		=	1.866
6.	416	+		=	667
7.	666	+		=	970
8.	451	+		=	666
9.	268	+		=	468
10.	757	+		=	1.174

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	489	+	457	=	946
2.	970	+	556	=	1.526
3.	981	+	894	=	1.875
4.	935	+	684	=	1.619
5.	437	+	436	=	873
6.	528	+	318	=	846
7.	891	+	816	=	1.707
8.	572	+	359	=	931
9.	695	+	657	=	1.352
10.	824	+	594	=	1.418

Oefening 2
1.	689	+	660	=	1.349
2.	938	+	765	=	1.703
3.	344	+	322	=	666
4.	918	+	724	=	1.642
5.	685	+	282	=	967
6.	926	+	240	=	1.166
7.	612	+	499	=	1.111
8.	830	+	647	=	1.477
9.	779	+	456	=	1.235
10.	757	+	224	=	981

Oefening 3
1.	798	+	228	=	1.026
2.	589	+	534	=	1.123
3.	730	+	250	=	980
4.	843	+	713	=	1.556
5.	611	+	442	=	1.053
6.	569	+	521	=	1.090
7.	842	+	735	=	1.577
8.	682	+	233	=	915
9.	655	+	583	=	1.238
10.	542	+	366	=	908

Oefening 4
1.	748	+	409	=	1.157
2.	519	+	379	=	898
3.	827	+	492	=	1.319
4.	861	+	381	=	1.242
5.	980	+	886	=	1.866
6.	416	+	251	=	667
7.	666	+	304	=	970
8.	451	+	215	=	666
9.	268	+	200	=	468
10.	757	+	417	=	1.174