Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	957	+		=	1.785
2.	951	+		=	1.480
3.	949	+		=	1.479
4.	433	+		=	703
5.	866	+		=	1.151
6.	960	+		=	1.411
7.	624	+		=	1.142
8.	754	+		=	1.122
9.	677	+		=	1.084
10.	802	+		=	1.387

Oefening 2
1.	819	+		=	1.613
2.	461	+		=	802
3.	892	+		=	1.602
4.	456	+		=	847
5.	921	+		=	1.196
6.	990	+		=	1.859
7.	823	+		=	1.552
8.	972	+		=	1.350
9.	832	+		=	1.090
10.	568	+		=	859

Oefening 3
1.	577	+		=	979
2.	763	+		=	1.091
3.	803	+		=	1.088
4.	953	+		=	1.193
5.	703	+		=	1.320
6.	785	+		=	1.100
7.	742	+		=	1.481
8.	736	+		=	1.029
9.	906	+		=	1.465
10.	408	+		=	718

Oefening 4
1.	254	+		=	494
2.	988	+		=	1.783
3.	459	+		=	908
4.	880	+		=	1.588
5.	754	+		=	1.193
6.	790	+		=	1.053
7.	552	+		=	840
8.	679	+		=	1.009
9.	956	+		=	1.395
10.	768	+		=	990

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	957	+	828	=	1.785
2.	951	+	529	=	1.480
3.	949	+	530	=	1.479
4.	433	+	270	=	703
5.	866	+	285	=	1.151
6.	960	+	451	=	1.411
7.	624	+	518	=	1.142
8.	754	+	368	=	1.122
9.	677	+	407	=	1.084
10.	802	+	585	=	1.387

Oefening 2
1.	819	+	794	=	1.613
2.	461	+	341	=	802
3.	892	+	710	=	1.602
4.	456	+	391	=	847
5.	921	+	275	=	1.196
6.	990	+	869	=	1.859
7.	823	+	729	=	1.552
8.	972	+	378	=	1.350
9.	832	+	258	=	1.090
10.	568	+	291	=	859

Oefening 3
1.	577	+	402	=	979
2.	763	+	328	=	1.091
3.	803	+	285	=	1.088
4.	953	+	240	=	1.193
5.	703	+	617	=	1.320
6.	785	+	315	=	1.100
7.	742	+	739	=	1.481
8.	736	+	293	=	1.029
9.	906	+	559	=	1.465
10.	408	+	310	=	718

Oefening 4
1.	254	+	240	=	494
2.	988	+	795	=	1.783
3.	459	+	449	=	908
4.	880	+	708	=	1.588
5.	754	+	439	=	1.193
6.	790	+	263	=	1.053
7.	552	+	288	=	840
8.	679	+	330	=	1.009
9.	956	+	439	=	1.395
10.	768	+	222	=	990