Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	531	+		=	1.036
2.	405	+		=	767
3.	419	+		=	753
4.	856	+		=	1.336
5.	868	+		=	1.570
6.	965	+		=	1.699
7.	543	+		=	785
8.	961	+		=	1.330
9.	996	+		=	1.533
10.	573	+		=	878

Oefening 2
1.	958	+		=	1.679
2.	975	+		=	1.328
3.	927	+		=	1.829
4.	533	+		=	908
5.	588	+		=	825
6.	645	+		=	1.229
7.	890	+		=	1.629
8.	488	+		=	769
9.	388	+		=	716
10.	959	+		=	1.888

Oefening 3
1.	912	+		=	1.801
2.	908	+		=	1.212
3.	991	+		=	1.599
4.	839	+		=	1.631
5.	513	+		=	899
6.	570	+		=	972
7.	801	+		=	1.559
8.	818	+		=	1.305
9.	991	+		=	1.901
10.	622	+		=	971

Oefening 4
1.	726	+		=	1.321
2.	902	+		=	1.601
3.	968	+		=	1.657
4.	540	+		=	837
5.	914	+		=	1.758
6.	636	+		=	951
7.	982	+		=	1.337
8.	788	+		=	1.237
9.	547	+		=	882
10.	833	+		=	1.229

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	531	+	505	=	1.036
2.	405	+	362	=	767
3.	419	+	334	=	753
4.	856	+	480	=	1.336
5.	868	+	702	=	1.570
6.	965	+	734	=	1.699
7.	543	+	242	=	785
8.	961	+	369	=	1.330
9.	996	+	537	=	1.533
10.	573	+	305	=	878

Oefening 2
1.	958	+	721	=	1.679
2.	975	+	353	=	1.328
3.	927	+	902	=	1.829
4.	533	+	375	=	908
5.	588	+	237	=	825
6.	645	+	584	=	1.229
7.	890	+	739	=	1.629
8.	488	+	281	=	769
9.	388	+	328	=	716
10.	959	+	929	=	1.888

Oefening 3
1.	912	+	889	=	1.801
2.	908	+	304	=	1.212
3.	991	+	608	=	1.599
4.	839	+	792	=	1.631
5.	513	+	386	=	899
6.	570	+	402	=	972
7.	801	+	758	=	1.559
8.	818	+	487	=	1.305
9.	991	+	910	=	1.901
10.	622	+	349	=	971

Oefening 4
1.	726	+	595	=	1.321
2.	902	+	699	=	1.601
3.	968	+	689	=	1.657
4.	540	+	297	=	837
5.	914	+	844	=	1.758
6.	636	+	315	=	951
7.	982	+	355	=	1.337
8.	788	+	449	=	1.237
9.	547	+	335	=	882
10.	833	+	396	=	1.229