Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	751	+		=	1.421
2.	574	+		=	1.110
3.	695	+		=	1.082
4.	885	+		=	1.513
5.	548	+		=	808
6.	936	+		=	1.795
7.	833	+		=	1.451
8.	955	+		=	1.202
9.	546	+		=	1.005
10.	940	+		=	1.827

Oefening 2
1.	459	+		=	870
2.	731	+		=	1.392
3.	673	+		=	933
4.	869	+		=	1.644
5.	746	+		=	1.447
6.	796	+		=	1.149
7.	665	+		=	1.239
8.	943	+		=	1.828
9.	639	+		=	1.015
10.	792	+		=	1.101

Oefening 3
1.	975	+		=	1.506
2.	978	+		=	1.337
3.	995	+		=	1.667
4.	939	+		=	1.468
5.	829	+		=	1.374
6.	601	+		=	1.164
7.	821	+		=	1.195
8.	523	+		=	980
9.	638	+		=	937
10.	785	+		=	1.077

Oefening 4
1.	928	+		=	1.795
2.	628	+		=	877
3.	466	+		=	676
4.	897	+		=	1.409
5.	627	+		=	966
6.	840	+		=	1.124
7.	875	+		=	1.700
8.	760	+		=	1.372
9.	694	+		=	1.275
10.	733	+		=	1.100

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	751	+	670	=	1.421
2.	574	+	536	=	1.110
3.	695	+	387	=	1.082
4.	885	+	628	=	1.513
5.	548	+	260	=	808
6.	936	+	859	=	1.795
7.	833	+	618	=	1.451
8.	955	+	247	=	1.202
9.	546	+	459	=	1.005
10.	940	+	887	=	1.827

Oefening 2
1.	459	+	411	=	870
2.	731	+	661	=	1.392
3.	673	+	260	=	933
4.	869	+	775	=	1.644
5.	746	+	701	=	1.447
6.	796	+	353	=	1.149
7.	665	+	574	=	1.239
8.	943	+	885	=	1.828
9.	639	+	376	=	1.015
10.	792	+	309	=	1.101

Oefening 3
1.	975	+	531	=	1.506
2.	978	+	359	=	1.337
3.	995	+	672	=	1.667
4.	939	+	529	=	1.468
5.	829	+	545	=	1.374
6.	601	+	563	=	1.164
7.	821	+	374	=	1.195
8.	523	+	457	=	980
9.	638	+	299	=	937
10.	785	+	292	=	1.077

Oefening 4
1.	928	+	867	=	1.795
2.	628	+	249	=	877
3.	466	+	210	=	676
4.	897	+	512	=	1.409
5.	627	+	339	=	966
6.	840	+	284	=	1.124
7.	875	+	825	=	1.700
8.	760	+	612	=	1.372
9.	694	+	581	=	1.275
10.	733	+	367	=	1.100