Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	630	+		=	885
2.	861	+		=	1.228
3.	503	+		=	976
4.	831	+		=	1.204
5.	902	+		=	1.408
6.	707	+		=	1.400
7.	574	+		=	1.096
8.	920	+		=	1.681
9.	744	+		=	1.196
10.	459	+		=	782

Oefening 2
1.	853	+		=	1.500
2.	560	+		=	848
3.	999	+		=	1.624
4.	479	+		=	936
5.	932	+		=	1.616
6.	402	+		=	736
7.	858	+		=	1.220
8.	486	+		=	972
9.	695	+		=	978
10.	435	+		=	776

Oefening 3
1.	680	+		=	899
2.	940	+		=	1.148
3.	916	+		=	1.290
4.	838	+		=	1.148
5.	678	+		=	1.043
6.	531	+		=	982
7.	864	+		=	1.653
8.	348	+		=	609
9.	543	+		=	871
10.	762	+		=	1.343

Oefening 4
1.	730	+		=	1.020
2.	850	+		=	1.590
3.	891	+		=	1.338
4.	992	+		=	1.857
5.	798	+		=	1.532
6.	793	+		=	1.478
7.	811	+		=	1.366
8.	673	+		=	1.100
9.	846	+		=	1.627
10.	920	+		=	1.751

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	630	+	255	=	885
2.	861	+	367	=	1.228
3.	503	+	473	=	976
4.	831	+	373	=	1.204
5.	902	+	506	=	1.408
6.	707	+	693	=	1.400
7.	574	+	522	=	1.096
8.	920	+	761	=	1.681
9.	744	+	452	=	1.196
10.	459	+	323	=	782

Oefening 2
1.	853	+	647	=	1.500
2.	560	+	288	=	848
3.	999	+	625	=	1.624
4.	479	+	457	=	936
5.	932	+	684	=	1.616
6.	402	+	334	=	736
7.	858	+	362	=	1.220
8.	486	+	486	=	972
9.	695	+	283	=	978
10.	435	+	341	=	776

Oefening 3
1.	680	+	219	=	899
2.	940	+	208	=	1.148
3.	916	+	374	=	1.290
4.	838	+	310	=	1.148
5.	678	+	365	=	1.043
6.	531	+	451	=	982
7.	864	+	789	=	1.653
8.	348	+	261	=	609
9.	543	+	328	=	871
10.	762	+	581	=	1.343

Oefening 4
1.	730	+	290	=	1.020
2.	850	+	740	=	1.590
3.	891	+	447	=	1.338
4.	992	+	865	=	1.857
5.	798	+	734	=	1.532
6.	793	+	685	=	1.478
7.	811	+	555	=	1.366
8.	673	+	427	=	1.100
9.	846	+	781	=	1.627
10.	920	+	831	=	1.751