Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	849	+		=	1.376
2.	989	+		=	1.334
3.	809	+		=	1.583
4.	733	+		=	1.067
5.	516	+		=	780
6.	751	+		=	1.432
7.	394	+		=	653
8.	638	+		=	1.228
9.	710	+		=	1.281
10.	544	+		=	811

Oefening 2
1.	767	+		=	1.476
2.	617	+		=	1.122
3.	516	+		=	751
4.	296	+		=	555
5.	278	+		=	488
6.	496	+		=	949
7.	1.000	+		=	1.735
8.	732	+		=	1.358
9.	548	+		=	843
10.	954	+		=	1.712

Oefening 3
1.	877	+		=	1.694
2.	527	+		=	1.027
3.	773	+		=	1.240
4.	628	+		=	1.175
5.	344	+		=	640
6.	936	+		=	1.312
7.	968	+		=	1.254
8.	999	+		=	1.912
9.	476	+		=	714
10.	301	+		=	513

Oefening 4
1.	275	+		=	515
2.	357	+		=	663
3.	224	+		=	440
4.	712	+		=	1.244
5.	915	+		=	1.573
6.	851	+		=	1.505
7.	498	+		=	892
8.	898	+		=	1.313
9.	402	+		=	646
10.	762	+		=	1.419

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	849	+	527	=	1.376
2.	989	+	345	=	1.334
3.	809	+	774	=	1.583
4.	733	+	334	=	1.067
5.	516	+	264	=	780
6.	751	+	681	=	1.432
7.	394	+	259	=	653
8.	638	+	590	=	1.228
9.	710	+	571	=	1.281
10.	544	+	267	=	811

Oefening 2
1.	767	+	709	=	1.476
2.	617	+	505	=	1.122
3.	516	+	235	=	751
4.	296	+	259	=	555
5.	278	+	210	=	488
6.	496	+	453	=	949
7.	1.000	+	735	=	1.735
8.	732	+	626	=	1.358
9.	548	+	295	=	843
10.	954	+	758	=	1.712

Oefening 3
1.	877	+	817	=	1.694
2.	527	+	500	=	1.027
3.	773	+	467	=	1.240
4.	628	+	547	=	1.175
5.	344	+	296	=	640
6.	936	+	376	=	1.312
7.	968	+	286	=	1.254
8.	999	+	913	=	1.912
9.	476	+	238	=	714
10.	301	+	212	=	513

Oefening 4
1.	275	+	240	=	515
2.	357	+	306	=	663
3.	224	+	216	=	440
4.	712	+	532	=	1.244
5.	915	+	658	=	1.573
6.	851	+	654	=	1.505
7.	498	+	394	=	892
8.	898	+	415	=	1.313
9.	402	+	244	=	646
10.	762	+	657	=	1.419