Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	860	+		=	1.613
2.	388	+		=	684
3.	727	+		=	1.271
4.	987	+		=	1.925
5.	645	+		=	938
6.	751	+		=	1.088
7.	939	+		=	1.311
8.	447	+		=	744
9.	710	+		=	1.311
10.	770	+		=	1.206

Oefening 2
1.	712	+		=	1.419
2.	535	+		=	1.006
3.	689	+		=	1.039
4.	781	+		=	1.510
5.	904	+		=	1.768
6.	866	+		=	1.179
7.	819	+		=	1.467
8.	846	+		=	1.255
9.	754	+		=	1.207
10.	638	+		=	1.089

Oefening 3
1.	958	+		=	1.376
2.	320	+		=	573
3.	360	+		=	573
4.	869	+		=	1.372
5.	881	+		=	1.398
6.	743	+		=	1.459
7.	275	+		=	495
8.	597	+		=	919
9.	861	+		=	1.489
10.	985	+		=	1.771

Oefening 4
1.	624	+		=	997
2.	693	+		=	908
3.	699	+		=	1.339
4.	705	+		=	1.259
5.	877	+		=	1.570
6.	869	+		=	1.562
7.	662	+		=	1.067
8.	772	+		=	1.385
9.	363	+		=	631
10.	654	+		=	1.179

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	860	+	753	=	1.613
2.	388	+	296	=	684
3.	727	+	544	=	1.271
4.	987	+	938	=	1.925
5.	645	+	293	=	938
6.	751	+	337	=	1.088
7.	939	+	372	=	1.311
8.	447	+	297	=	744
9.	710	+	601	=	1.311
10.	770	+	436	=	1.206

Oefening 2
1.	712	+	707	=	1.419
2.	535	+	471	=	1.006
3.	689	+	350	=	1.039
4.	781	+	729	=	1.510
5.	904	+	864	=	1.768
6.	866	+	313	=	1.179
7.	819	+	648	=	1.467
8.	846	+	409	=	1.255
9.	754	+	453	=	1.207
10.	638	+	451	=	1.089

Oefening 3
1.	958	+	418	=	1.376
2.	320	+	253	=	573
3.	360	+	213	=	573
4.	869	+	503	=	1.372
5.	881	+	517	=	1.398
6.	743	+	716	=	1.459
7.	275	+	220	=	495
8.	597	+	322	=	919
9.	861	+	628	=	1.489
10.	985	+	786	=	1.771

Oefening 4
1.	624	+	373	=	997
2.	693	+	215	=	908
3.	699	+	640	=	1.339
4.	705	+	554	=	1.259
5.	877	+	693	=	1.570
6.	869	+	693	=	1.562
7.	662	+	405	=	1.067
8.	772	+	613	=	1.385
9.	363	+	268	=	631
10.	654	+	525	=	1.179