Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	713	+		=	1.152
2.	482	+		=	943
3.	937	+		=	1.419
4.	653	+		=	1.119
5.	763	+		=	1.141
6.	774	+		=	1.337
7.	706	+		=	1.140
8.	459	+		=	819
9.	718	+		=	1.268
10.	535	+		=	841

Oefening 2
1.	580	+		=	1.018
2.	942	+		=	1.340
3.	603	+		=	1.010
4.	249	+		=	461
5.	473	+		=	677
6.	835	+		=	1.350
7.	422	+		=	820
8.	745	+		=	1.105
9.	796	+		=	1.504
10.	816	+		=	1.360

Oefening 3
1.	439	+		=	799
2.	961	+		=	1.471
3.	688	+		=	1.273
4.	557	+		=	925
5.	962	+		=	1.439
6.	939	+		=	1.443
7.	793	+		=	1.281
8.	461	+		=	783
9.	332	+		=	534
10.	300	+		=	526

Oefening 4
1.	791	+		=	1.080
2.	977	+		=	1.667
3.	936	+		=	1.246
4.	678	+		=	928
5.	736	+		=	958
6.	555	+		=	1.034
7.	682	+		=	1.128
8.	904	+		=	1.455
9.	848	+		=	1.101
10.	470	+		=	814

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	713	+	439	=	1.152
2.	482	+	461	=	943
3.	937	+	482	=	1.419
4.	653	+	466	=	1.119
5.	763	+	378	=	1.141
6.	774	+	563	=	1.337
7.	706	+	434	=	1.140
8.	459	+	360	=	819
9.	718	+	550	=	1.268
10.	535	+	306	=	841

Oefening 2
1.	580	+	438	=	1.018
2.	942	+	398	=	1.340
3.	603	+	407	=	1.010
4.	249	+	212	=	461
5.	473	+	204	=	677
6.	835	+	515	=	1.350
7.	422	+	398	=	820
8.	745	+	360	=	1.105
9.	796	+	708	=	1.504
10.	816	+	544	=	1.360

Oefening 3
1.	439	+	360	=	799
2.	961	+	510	=	1.471
3.	688	+	585	=	1.273
4.	557	+	368	=	925
5.	962	+	477	=	1.439
6.	939	+	504	=	1.443
7.	793	+	488	=	1.281
8.	461	+	322	=	783
9.	332	+	202	=	534
10.	300	+	226	=	526

Oefening 4
1.	791	+	289	=	1.080
2.	977	+	690	=	1.667
3.	936	+	310	=	1.246
4.	678	+	250	=	928
5.	736	+	222	=	958
6.	555	+	479	=	1.034
7.	682	+	446	=	1.128
8.	904	+	551	=	1.455
9.	848	+	253	=	1.101
10.	470	+	344	=	814