Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	780	+		=	1.360
2.	678	+		=	990
3.	675	+		=	1.337
4.	812	+		=	1.143
5.	333	+		=	543
6.	559	+		=	964
7.	757	+		=	1.192
8.	948	+		=	1.477
9.	975	+		=	1.715
10.	969	+		=	1.711

Oefening 2
1.	628	+		=	1.220
2.	773	+		=	1.132
3.	696	+		=	940
4.	774	+		=	975
5.	842	+		=	1.087
6.	716	+		=	1.197
7.	670	+		=	1.229
8.	830	+		=	1.437
9.	637	+		=	1.173
10.	862	+		=	1.655

Oefening 3
1.	402	+		=	699
2.	709	+		=	949
3.	437	+		=	796
4.	468	+		=	862
5.	705	+		=	1.167
6.	913	+		=	1.491
7.	259	+		=	461
8.	820	+		=	1.355
9.	659	+		=	1.250
10.	382	+		=	604

Oefening 4
1.	921	+		=	1.623
2.	363	+		=	604
3.	906	+		=	1.796
4.	416	+		=	671
5.	617	+		=	1.017
6.	922	+		=	1.627
7.	950	+		=	1.540
8.	799	+		=	1.060
9.	443	+		=	725
10.	648	+		=	1.215

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	780	+	580	=	1.360
2.	678	+	312	=	990
3.	675	+	662	=	1.337
4.	812	+	331	=	1.143
5.	333	+	210	=	543
6.	559	+	405	=	964
7.	757	+	435	=	1.192
8.	948	+	529	=	1.477
9.	975	+	740	=	1.715
10.	969	+	742	=	1.711

Oefening 2
1.	628	+	592	=	1.220
2.	773	+	359	=	1.132
3.	696	+	244	=	940
4.	774	+	201	=	975
5.	842	+	245	=	1.087
6.	716	+	481	=	1.197
7.	670	+	559	=	1.229
8.	830	+	607	=	1.437
9.	637	+	536	=	1.173
10.	862	+	793	=	1.655

Oefening 3
1.	402	+	297	=	699
2.	709	+	240	=	949
3.	437	+	359	=	796
4.	468	+	394	=	862
5.	705	+	462	=	1.167
6.	913	+	578	=	1.491
7.	259	+	202	=	461
8.	820	+	535	=	1.355
9.	659	+	591	=	1.250
10.	382	+	222	=	604

Oefening 4
1.	921	+	702	=	1.623
2.	363	+	241	=	604
3.	906	+	890	=	1.796
4.	416	+	255	=	671
5.	617	+	400	=	1.017
6.	922	+	705	=	1.627
7.	950	+	590	=	1.540
8.	799	+	261	=	1.060
9.	443	+	282	=	725
10.	648	+	567	=	1.215