Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	612	+		=	1.051
2.	700	+		=	948
3.	725	+		=	1.123
4.	508	+		=	783
5.	841	+		=	1.575
6.	421	+		=	779
7.	967	+		=	1.896
8.	918	+		=	1.364
9.	375	+		=	649
10.	838	+		=	1.199

Oefening 2
1.	816	+		=	1.237
2.	551	+		=	922
3.	299	+		=	595
4.	311	+		=	515
5.	860	+		=	1.192
6.	254	+		=	468
7.	877	+		=	1.642
8.	699	+		=	922
9.	928	+		=	1.759
10.	930	+		=	1.287

Oefening 3
1.	894	+		=	1.610
2.	408	+		=	743
3.	920	+		=	1.712
4.	847	+		=	1.171
5.	586	+		=	1.040
6.	869	+		=	1.167
7.	376	+		=	719
8.	639	+		=	1.197
9.	773	+		=	1.388
10.	652	+		=	959

Oefening 4
1.	979	+		=	1.252
2.	686	+		=	1.191
3.	750	+		=	1.275
4.	831	+		=	1.047
5.	380	+		=	595
6.	921	+		=	1.358
7.	639	+		=	1.073
8.	645	+		=	919
9.	899	+		=	1.438
10.	771	+		=	1.480

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	612	+	439	=	1.051
2.	700	+	248	=	948
3.	725	+	398	=	1.123
4.	508	+	275	=	783
5.	841	+	734	=	1.575
6.	421	+	358	=	779
7.	967	+	929	=	1.896
8.	918	+	446	=	1.364
9.	375	+	274	=	649
10.	838	+	361	=	1.199

Oefening 2
1.	816	+	421	=	1.237
2.	551	+	371	=	922
3.	299	+	296	=	595
4.	311	+	204	=	515
5.	860	+	332	=	1.192
6.	254	+	214	=	468
7.	877	+	765	=	1.642
8.	699	+	223	=	922
9.	928	+	831	=	1.759
10.	930	+	357	=	1.287

Oefening 3
1.	894	+	716	=	1.610
2.	408	+	335	=	743
3.	920	+	792	=	1.712
4.	847	+	324	=	1.171
5.	586	+	454	=	1.040
6.	869	+	298	=	1.167
7.	376	+	343	=	719
8.	639	+	558	=	1.197
9.	773	+	615	=	1.388
10.	652	+	307	=	959

Oefening 4
1.	979	+	273	=	1.252
2.	686	+	505	=	1.191
3.	750	+	525	=	1.275
4.	831	+	216	=	1.047
5.	380	+	215	=	595
6.	921	+	437	=	1.358
7.	639	+	434	=	1.073
8.	645	+	274	=	919
9.	899	+	539	=	1.438
10.	771	+	709	=	1.480