Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	532	+		=	997
2.	897	+		=	1.496
3.	587	+		=	999
4.	475	+		=	921
5.	827	+		=	1.199
6.	498	+		=	762
7.	869	+		=	1.641
8.	789	+		=	1.451
9.	843	+		=	1.393
10.	844	+		=	1.053

Oefening 2
1.	541	+		=	886
2.	838	+		=	1.093
3.	964	+		=	1.266
4.	566	+		=	982
5.	350	+		=	644
6.	991	+		=	1.523
7.	522	+		=	750
8.	693	+		=	1.056
9.	779	+		=	1.517
10.	900	+		=	1.570

Oefening 3
1.	925	+		=	1.819
2.	997	+		=	1.773
3.	907	+		=	1.134
4.	930	+		=	1.267
5.	910	+		=	1.334
6.	998	+		=	1.574
7.	678	+		=	989
8.	651	+		=	942
9.	976	+		=	1.596
10.	515	+		=	976

Oefening 4
1.	904	+		=	1.400
2.	723	+		=	1.229
3.	991	+		=	1.218
4.	940	+		=	1.168
5.	822	+		=	1.432
6.	725	+		=	986
7.	953	+		=	1.621
8.	899	+		=	1.569
9.	685	+		=	1.296
10.	917	+		=	1.244

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	532	+	465	=	997
2.	897	+	599	=	1.496
3.	587	+	412	=	999
4.	475	+	446	=	921
5.	827	+	372	=	1.199
6.	498	+	264	=	762
7.	869	+	772	=	1.641
8.	789	+	662	=	1.451
9.	843	+	550	=	1.393
10.	844	+	209	=	1.053

Oefening 2
1.	541	+	345	=	886
2.	838	+	255	=	1.093
3.	964	+	302	=	1.266
4.	566	+	416	=	982
5.	350	+	294	=	644
6.	991	+	532	=	1.523
7.	522	+	228	=	750
8.	693	+	363	=	1.056
9.	779	+	738	=	1.517
10.	900	+	670	=	1.570

Oefening 3
1.	925	+	894	=	1.819
2.	997	+	776	=	1.773
3.	907	+	227	=	1.134
4.	930	+	337	=	1.267
5.	910	+	424	=	1.334
6.	998	+	576	=	1.574
7.	678	+	311	=	989
8.	651	+	291	=	942
9.	976	+	620	=	1.596
10.	515	+	461	=	976

Oefening 4
1.	904	+	496	=	1.400
2.	723	+	506	=	1.229
3.	991	+	227	=	1.218
4.	940	+	228	=	1.168
5.	822	+	610	=	1.432
6.	725	+	261	=	986
7.	953	+	668	=	1.621
8.	899	+	670	=	1.569
9.	685	+	611	=	1.296
10.	917	+	327	=	1.244