Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	628	+		=	1.120
2.	937	+		=	1.239
3.	778	+		=	1.483
4.	473	+		=	887
5.	789	+		=	1.246
6.	945	+		=	1.329
7.	620	+		=	969
8.	932	+		=	1.223
9.	576	+		=	1.070
10.	995	+		=	1.919

Oefening 2
1.	751	+		=	976
2.	844	+		=	1.062
3.	735	+		=	955
4.	933	+		=	1.693
5.	325	+		=	594
6.	861	+		=	1.441
7.	390	+		=	714
8.	586	+		=	875
9.	790	+		=	1.152
10.	560	+		=	926

Oefening 3
1.	783	+		=	1.426
2.	803	+		=	1.059
3.	603	+		=	1.148
4.	930	+		=	1.279
5.	826	+		=	1.207
6.	591	+		=	899
7.	850	+		=	1.411
8.	896	+		=	1.547
9.	484	+		=	865
10.	886	+		=	1.091

Oefening 4
1.	352	+		=	699
2.	851	+		=	1.699
3.	420	+		=	829
4.	956	+		=	1.170
5.	710	+		=	996
6.	803	+		=	1.039
7.	942	+		=	1.477
8.	383	+		=	588
9.	881	+		=	1.330
10.	906	+		=	1.392

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	628	+	492	=	1.120
2.	937	+	302	=	1.239
3.	778	+	705	=	1.483
4.	473	+	414	=	887
5.	789	+	457	=	1.246
6.	945	+	384	=	1.329
7.	620	+	349	=	969
8.	932	+	291	=	1.223
9.	576	+	494	=	1.070
10.	995	+	924	=	1.919

Oefening 2
1.	751	+	225	=	976
2.	844	+	218	=	1.062
3.	735	+	220	=	955
4.	933	+	760	=	1.693
5.	325	+	269	=	594
6.	861	+	580	=	1.441
7.	390	+	324	=	714
8.	586	+	289	=	875
9.	790	+	362	=	1.152
10.	560	+	366	=	926

Oefening 3
1.	783	+	643	=	1.426
2.	803	+	256	=	1.059
3.	603	+	545	=	1.148
4.	930	+	349	=	1.279
5.	826	+	381	=	1.207
6.	591	+	308	=	899
7.	850	+	561	=	1.411
8.	896	+	651	=	1.547
9.	484	+	381	=	865
10.	886	+	205	=	1.091

Oefening 4
1.	352	+	347	=	699
2.	851	+	848	=	1.699
3.	420	+	409	=	829
4.	956	+	214	=	1.170
5.	710	+	286	=	996
6.	803	+	236	=	1.039
7.	942	+	535	=	1.477
8.	383	+	205	=	588
9.	881	+	449	=	1.330
10.	906	+	486	=	1.392