Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	778	+		=	1.028
2.	931	+		=	1.474
3.	933	+		=	1.571
4.	448	+		=	854
5.	670	+		=	1.175
6.	917	+		=	1.805
7.	695	+		=	1.034
8.	868	+		=	1.494
9.	467	+		=	878
10.	793	+		=	1.133

Oefening 2
1.	610	+		=	894
2.	488	+		=	838
3.	674	+		=	1.145
4.	854	+		=	1.214
5.	848	+		=	1.523
6.	324	+		=	582
7.	622	+		=	1.058
8.	658	+		=	1.219
9.	771	+		=	1.295
10.	956	+		=	1.471

Oefening 3
1.	552	+		=	1.047
2.	947	+		=	1.514
3.	969	+		=	1.771
4.	347	+		=	625
5.	599	+		=	982
6.	577	+		=	978
7.	461	+		=	701
8.	798	+		=	1.285
9.	391	+		=	620
10.	827	+		=	1.146

Oefening 4
1.	862	+		=	1.435
2.	968	+		=	1.826
3.	903	+		=	1.725
4.	888	+		=	1.691
5.	733	+		=	1.200
6.	988	+		=	1.928
7.	840	+		=	1.121
8.	837	+		=	1.428
9.	884	+		=	1.650
10.	743	+		=	995

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	778	+	250	=	1.028
2.	931	+	543	=	1.474
3.	933	+	638	=	1.571
4.	448	+	406	=	854
5.	670	+	505	=	1.175
6.	917	+	888	=	1.805
7.	695	+	339	=	1.034
8.	868	+	626	=	1.494
9.	467	+	411	=	878
10.	793	+	340	=	1.133

Oefening 2
1.	610	+	284	=	894
2.	488	+	350	=	838
3.	674	+	471	=	1.145
4.	854	+	360	=	1.214
5.	848	+	675	=	1.523
6.	324	+	258	=	582
7.	622	+	436	=	1.058
8.	658	+	561	=	1.219
9.	771	+	524	=	1.295
10.	956	+	515	=	1.471

Oefening 3
1.	552	+	495	=	1.047
2.	947	+	567	=	1.514
3.	969	+	802	=	1.771
4.	347	+	278	=	625
5.	599	+	383	=	982
6.	577	+	401	=	978
7.	461	+	240	=	701
8.	798	+	487	=	1.285
9.	391	+	229	=	620
10.	827	+	319	=	1.146

Oefening 4
1.	862	+	573	=	1.435
2.	968	+	858	=	1.826
3.	903	+	822	=	1.725
4.	888	+	803	=	1.691
5.	733	+	467	=	1.200
6.	988	+	940	=	1.928
7.	840	+	281	=	1.121
8.	837	+	591	=	1.428
9.	884	+	766	=	1.650
10.	743	+	252	=	995