Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	801	+		=	1.572
2.	907	+		=	1.188
3.	416	+		=	618
4.	741	+		=	1.366
5.	714	+		=	1.299
6.	916	+		=	1.299
7.	560	+		=	903
8.	670	+		=	904
9.	454	+		=	735
10.	831	+		=	1.496

Oefening 2
1.	630	+		=	1.077
2.	912	+		=	1.696
3.	828	+		=	1.175
4.	741	+		=	1.156
5.	657	+		=	1.179
6.	971	+		=	1.391
7.	991	+		=	1.619
8.	811	+		=	1.371
9.	824	+		=	1.312
10.	735	+		=	1.066

Oefening 3
1.	983	+		=	1.268
2.	817	+		=	1.381
3.	959	+		=	1.887
4.	789	+		=	1.160
5.	834	+		=	1.632
6.	910	+		=	1.166
7.	427	+		=	793
8.	321	+		=	612
9.	848	+		=	1.173
10.	936	+		=	1.138

Oefening 4
1.	807	+		=	1.540
2.	430	+		=	851
3.	477	+		=	766
4.	930	+		=	1.543
5.	412	+		=	676
6.	965	+		=	1.658
7.	651	+		=	1.129
8.	873	+		=	1.098
9.	992	+		=	1.781
10.	693	+		=	1.025

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	801	+	771	=	1.572
2.	907	+	281	=	1.188
3.	416	+	202	=	618
4.	741	+	625	=	1.366
5.	714	+	585	=	1.299
6.	916	+	383	=	1.299
7.	560	+	343	=	903
8.	670	+	234	=	904
9.	454	+	281	=	735
10.	831	+	665	=	1.496

Oefening 2
1.	630	+	447	=	1.077
2.	912	+	784	=	1.696
3.	828	+	347	=	1.175
4.	741	+	415	=	1.156
5.	657	+	522	=	1.179
6.	971	+	420	=	1.391
7.	991	+	628	=	1.619
8.	811	+	560	=	1.371
9.	824	+	488	=	1.312
10.	735	+	331	=	1.066

Oefening 3
1.	983	+	285	=	1.268
2.	817	+	564	=	1.381
3.	959	+	928	=	1.887
4.	789	+	371	=	1.160
5.	834	+	798	=	1.632
6.	910	+	256	=	1.166
7.	427	+	366	=	793
8.	321	+	291	=	612
9.	848	+	325	=	1.173
10.	936	+	202	=	1.138

Oefening 4
1.	807	+	733	=	1.540
2.	430	+	421	=	851
3.	477	+	289	=	766
4.	930	+	613	=	1.543
5.	412	+	264	=	676
6.	965	+	693	=	1.658
7.	651	+	478	=	1.129
8.	873	+	225	=	1.098
9.	992	+	789	=	1.781
10.	693	+	332	=	1.025