Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	954	+		=	1.405
2.	921	+		=	1.753
3.	732	+		=	1.423
4.	308	+		=	531
5.	562	+		=	873
6.	895	+		=	1.113
7.	925	+		=	1.243
8.	702	+		=	1.387
9.	292	+		=	494
10.	828	+		=	1.057

Oefening 2
1.	791	+		=	1.096
2.	959	+		=	1.435
3.	536	+		=	818
4.	638	+		=	1.015
5.	549	+		=	1.087
6.	572	+		=	1.073
7.	617	+		=	959
8.	871	+		=	1.115
9.	823	+		=	1.148
10.	365	+		=	587

Oefening 3
1.	961	+		=	1.702
2.	557	+		=	1.104
3.	863	+		=	1.455
4.	334	+		=	576
5.	957	+		=	1.456
6.	843	+		=	1.597
7.	603	+		=	1.079
8.	465	+		=	859
9.	901	+		=	1.120
10.	644	+		=	846

Oefening 4
1.	862	+		=	1.066
2.	936	+		=	1.274
3.	419	+		=	776
4.	688	+		=	937
5.	860	+		=	1.335
6.	679	+		=	958
7.	910	+		=	1.222
8.	823	+		=	1.074
9.	680	+		=	887
10.	707	+		=	1.169

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	954	+	451	=	1.405
2.	921	+	832	=	1.753
3.	732	+	691	=	1.423
4.	308	+	223	=	531
5.	562	+	311	=	873
6.	895	+	218	=	1.113
7.	925	+	318	=	1.243
8.	702	+	685	=	1.387
9.	292	+	202	=	494
10.	828	+	229	=	1.057

Oefening 2
1.	791	+	305	=	1.096
2.	959	+	476	=	1.435
3.	536	+	282	=	818
4.	638	+	377	=	1.015
5.	549	+	538	=	1.087
6.	572	+	501	=	1.073
7.	617	+	342	=	959
8.	871	+	244	=	1.115
9.	823	+	325	=	1.148
10.	365	+	222	=	587

Oefening 3
1.	961	+	741	=	1.702
2.	557	+	547	=	1.104
3.	863	+	592	=	1.455
4.	334	+	242	=	576
5.	957	+	499	=	1.456
6.	843	+	754	=	1.597
7.	603	+	476	=	1.079
8.	465	+	394	=	859
9.	901	+	219	=	1.120
10.	644	+	202	=	846

Oefening 4
1.	862	+	204	=	1.066
2.	936	+	338	=	1.274
3.	419	+	357	=	776
4.	688	+	249	=	937
5.	860	+	475	=	1.335
6.	679	+	279	=	958
7.	910	+	312	=	1.222
8.	823	+	251	=	1.074
9.	680	+	207	=	887
10.	707	+	462	=	1.169