Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	665	+		=	1.228
2.	685	+		=	1.369
3.	723	+		=	1.366
4.	646	+		=	1.251
5.	408	+		=	816
6.	973	+		=	1.219
7.	679	+		=	982
8.	931	+		=	1.824
9.	627	+		=	1.000
10.	870	+		=	1.613

Oefening 2
1.	742	+		=	1.270
2.	729	+		=	1.125
3.	976	+		=	1.524
4.	895	+		=	1.607
5.	582	+		=	892
6.	574	+		=	843
7.	312	+		=	624
8.	695	+		=	975
9.	575	+		=	1.036
10.	792	+		=	1.111

Oefening 3
1.	608	+		=	1.127
2.	784	+		=	1.550
3.	929	+		=	1.459
4.	893	+		=	1.609
5.	740	+		=	1.145
6.	470	+		=	806
7.	935	+		=	1.521
8.	988	+		=	1.363
9.	828	+		=	1.588
10.	464	+		=	724

Oefening 4
1.	997	+		=	1.812
2.	597	+		=	830
3.	899	+		=	1.709
4.	597	+		=	1.102
5.	864	+		=	1.314
6.	751	+		=	1.144
7.	709	+		=	1.107
8.	899	+		=	1.440
9.	666	+		=	1.130
10.	927	+		=	1.412

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	665	+	563	=	1.228
2.	685	+	684	=	1.369
3.	723	+	643	=	1.366
4.	646	+	605	=	1.251
5.	408	+	408	=	816
6.	973	+	246	=	1.219
7.	679	+	303	=	982
8.	931	+	893	=	1.824
9.	627	+	373	=	1.000
10.	870	+	743	=	1.613

Oefening 2
1.	742	+	528	=	1.270
2.	729	+	396	=	1.125
3.	976	+	548	=	1.524
4.	895	+	712	=	1.607
5.	582	+	310	=	892
6.	574	+	269	=	843
7.	312	+	312	=	624
8.	695	+	280	=	975
9.	575	+	461	=	1.036
10.	792	+	319	=	1.111

Oefening 3
1.	608	+	519	=	1.127
2.	784	+	766	=	1.550
3.	929	+	530	=	1.459
4.	893	+	716	=	1.609
5.	740	+	405	=	1.145
6.	470	+	336	=	806
7.	935	+	586	=	1.521
8.	988	+	375	=	1.363
9.	828	+	760	=	1.588
10.	464	+	260	=	724

Oefening 4
1.	997	+	815	=	1.812
2.	597	+	233	=	830
3.	899	+	810	=	1.709
4.	597	+	505	=	1.102
5.	864	+	450	=	1.314
6.	751	+	393	=	1.144
7.	709	+	398	=	1.107
8.	899	+	541	=	1.440
9.	666	+	464	=	1.130
10.	927	+	485	=	1.412