Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	975	+		=	1.326
2.	972	+		=	1.575
3.	342	+		=	591
4.	938	+		=	1.177
5.	744	+		=	1.145
6.	683	+		=	1.183
7.	978	+		=	1.628
8.	578	+		=	925
9.	996	+		=	1.434
10.	549	+		=	1.048

Oefening 2
1.	671	+		=	990
2.	747	+		=	1.411
3.	798	+		=	1.139
4.	803	+		=	1.135
5.	718	+		=	985
6.	966	+		=	1.182
7.	718	+		=	931
8.	918	+		=	1.812
9.	742	+		=	1.025
10.	922	+		=	1.731

Oefening 3
1.	828	+		=	1.616
2.	385	+		=	608
3.	987	+		=	1.586
4.	771	+		=	989
5.	876	+		=	1.575
6.	495	+		=	837
7.	770	+		=	993
8.	906	+		=	1.663
9.	696	+		=	1.255
10.	946	+		=	1.757

Oefening 4
1.	727	+		=	1.216
2.	760	+		=	1.071
3.	858	+		=	1.059
4.	519	+		=	931
5.	891	+		=	1.192
6.	415	+		=	751
7.	916	+		=	1.345
8.	965	+		=	1.842
9.	749	+		=	1.259
10.	612	+		=	828

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	975	+	351	=	1.326
2.	972	+	603	=	1.575
3.	342	+	249	=	591
4.	938	+	239	=	1.177
5.	744	+	401	=	1.145
6.	683	+	500	=	1.183
7.	978	+	650	=	1.628
8.	578	+	347	=	925
9.	996	+	438	=	1.434
10.	549	+	499	=	1.048

Oefening 2
1.	671	+	319	=	990
2.	747	+	664	=	1.411
3.	798	+	341	=	1.139
4.	803	+	332	=	1.135
5.	718	+	267	=	985
6.	966	+	216	=	1.182
7.	718	+	213	=	931
8.	918	+	894	=	1.812
9.	742	+	283	=	1.025
10.	922	+	809	=	1.731

Oefening 3
1.	828	+	788	=	1.616
2.	385	+	223	=	608
3.	987	+	599	=	1.586
4.	771	+	218	=	989
5.	876	+	699	=	1.575
6.	495	+	342	=	837
7.	770	+	223	=	993
8.	906	+	757	=	1.663
9.	696	+	559	=	1.255
10.	946	+	811	=	1.757

Oefening 4
1.	727	+	489	=	1.216
2.	760	+	311	=	1.071
3.	858	+	201	=	1.059
4.	519	+	412	=	931
5.	891	+	301	=	1.192
6.	415	+	336	=	751
7.	916	+	429	=	1.345
8.	965	+	877	=	1.842
9.	749	+	510	=	1.259
10.	612	+	216	=	828