Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	787	+		=	1.430
2.	978	+		=	1.735
3.	587	+		=	888
4.	762	+		=	1.132
5.	570	+		=	952
6.	823	+		=	1.215
7.	886	+		=	1.398
8.	952	+		=	1.646
9.	660	+		=	1.252
10.	747	+		=	1.255

Oefening 2
1.	664	+		=	1.255
2.	467	+		=	719
3.	881	+		=	1.211
4.	529	+		=	781
5.	956	+		=	1.889
6.	390	+		=	733
7.	901	+		=	1.339
8.	871	+		=	1.316
9.	823	+		=	1.314
10.	784	+		=	1.245

Oefening 3
1.	597	+		=	976
2.	832	+		=	1.479
3.	952	+		=	1.823
4.	789	+		=	1.109
5.	312	+		=	549
6.	987	+		=	1.872
7.	1.000	+		=	1.659
8.	850	+		=	1.374
9.	362	+		=	697
10.	979	+		=	1.681

Oefening 4
1.	818	+		=	1.555
2.	703	+		=	985
3.	560	+		=	804
4.	883	+		=	1.101
5.	995	+		=	1.456
6.	997	+		=	1.398
7.	375	+		=	747
8.	985	+		=	1.301
9.	998	+		=	1.962
10.	887	+		=	1.278

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	787	+	643	=	1.430
2.	978	+	757	=	1.735
3.	587	+	301	=	888
4.	762	+	370	=	1.132
5.	570	+	382	=	952
6.	823	+	392	=	1.215
7.	886	+	512	=	1.398
8.	952	+	694	=	1.646
9.	660	+	592	=	1.252
10.	747	+	508	=	1.255

Oefening 2
1.	664	+	591	=	1.255
2.	467	+	252	=	719
3.	881	+	330	=	1.211
4.	529	+	252	=	781
5.	956	+	933	=	1.889
6.	390	+	343	=	733
7.	901	+	438	=	1.339
8.	871	+	445	=	1.316
9.	823	+	491	=	1.314
10.	784	+	461	=	1.245

Oefening 3
1.	597	+	379	=	976
2.	832	+	647	=	1.479
3.	952	+	871	=	1.823
4.	789	+	320	=	1.109
5.	312	+	237	=	549
6.	987	+	885	=	1.872
7.	1.000	+	659	=	1.659
8.	850	+	524	=	1.374
9.	362	+	335	=	697
10.	979	+	702	=	1.681

Oefening 4
1.	818	+	737	=	1.555
2.	703	+	282	=	985
3.	560	+	244	=	804
4.	883	+	218	=	1.101
5.	995	+	461	=	1.456
6.	997	+	401	=	1.398
7.	375	+	372	=	747
8.	985	+	316	=	1.301
9.	998	+	964	=	1.962
10.	887	+	391	=	1.278