Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	843	+		=	1.174
2.	621	+		=	1.135
3.	868	+		=	1.243
4.	879	+		=	1.473
5.	333	+		=	588
6.	592	+		=	926
7.	910	+		=	1.457
8.	431	+		=	846
9.	559	+		=	809
10.	785	+		=	1.555

Oefening 2
1.	934	+		=	1.148
2.	918	+		=	1.149
3.	870	+		=	1.465
4.	910	+		=	1.262
5.	983	+		=	1.551
6.	646	+		=	972
7.	852	+		=	1.552
8.	562	+		=	946
9.	707	+		=	1.165
10.	637	+		=	978

Oefening 3
1.	386	+		=	760
2.	874	+		=	1.220
3.	689	+		=	1.090
4.	785	+		=	1.295
5.	961	+		=	1.765
6.	586	+		=	885
7.	900	+		=	1.560
8.	971	+		=	1.586
9.	452	+		=	730
10.	562	+		=	836

Oefening 4
1.	652	+		=	1.222
2.	885	+		=	1.438
3.	503	+		=	907
4.	525	+		=	747
5.	965	+		=	1.893
6.	725	+		=	1.106
7.	413	+		=	798
8.	739	+		=	1.240
9.	796	+		=	1.550
10.	862	+		=	1.154

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	843	+	331	=	1.174
2.	621	+	514	=	1.135
3.	868	+	375	=	1.243
4.	879	+	594	=	1.473
5.	333	+	255	=	588
6.	592	+	334	=	926
7.	910	+	547	=	1.457
8.	431	+	415	=	846
9.	559	+	250	=	809
10.	785	+	770	=	1.555

Oefening 2
1.	934	+	214	=	1.148
2.	918	+	231	=	1.149
3.	870	+	595	=	1.465
4.	910	+	352	=	1.262
5.	983	+	568	=	1.551
6.	646	+	326	=	972
7.	852	+	700	=	1.552
8.	562	+	384	=	946
9.	707	+	458	=	1.165
10.	637	+	341	=	978

Oefening 3
1.	386	+	374	=	760
2.	874	+	346	=	1.220
3.	689	+	401	=	1.090
4.	785	+	510	=	1.295
5.	961	+	804	=	1.765
6.	586	+	299	=	885
7.	900	+	660	=	1.560
8.	971	+	615	=	1.586
9.	452	+	278	=	730
10.	562	+	274	=	836

Oefening 4
1.	652	+	570	=	1.222
2.	885	+	553	=	1.438
3.	503	+	404	=	907
4.	525	+	222	=	747
5.	965	+	928	=	1.893
6.	725	+	381	=	1.106
7.	413	+	385	=	798
8.	739	+	501	=	1.240
9.	796	+	754	=	1.550
10.	862	+	292	=	1.154