Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	799	+		=	1.301
2.	897	+		=	1.734
3.	683	+		=	912
4.	952	+		=	1.702
5.	782	+		=	1.136
6.	756	+		=	1.120
7.	448	+		=	834
8.	859	+		=	1.071
9.	830	+		=	1.040
10.	885	+		=	1.101

Oefening 2
1.	856	+		=	1.710
2.	396	+		=	645
3.	818	+		=	1.294
4.	901	+		=	1.299
5.	568	+		=	858
6.	662	+		=	874
7.	919	+		=	1.570
8.	971	+		=	1.196
9.	999	+		=	1.740
10.	791	+		=	995

Oefening 3
1.	539	+		=	780
2.	605	+		=	1.127
3.	566	+		=	925
4.	671	+		=	1.169
5.	361	+		=	593
6.	971	+		=	1.479
7.	448	+		=	792
8.	973	+		=	1.445
9.	819	+		=	1.030
10.	994	+		=	1.289

Oefening 4
1.	477	+		=	954
2.	516	+		=	1.007
3.	827	+		=	1.172
4.	559	+		=	791
5.	963	+		=	1.726
6.	798	+		=	1.206
7.	902	+		=	1.307
8.	417	+		=	751
9.	984	+		=	1.527
10.	909	+		=	1.780

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	799	+	502	=	1.301
2.	897	+	837	=	1.734
3.	683	+	229	=	912
4.	952	+	750	=	1.702
5.	782	+	354	=	1.136
6.	756	+	364	=	1.120
7.	448	+	386	=	834
8.	859	+	212	=	1.071
9.	830	+	210	=	1.040
10.	885	+	216	=	1.101

Oefening 2
1.	856	+	854	=	1.710
2.	396	+	249	=	645
3.	818	+	476	=	1.294
4.	901	+	398	=	1.299
5.	568	+	290	=	858
6.	662	+	212	=	874
7.	919	+	651	=	1.570
8.	971	+	225	=	1.196
9.	999	+	741	=	1.740
10.	791	+	204	=	995

Oefening 3
1.	539	+	241	=	780
2.	605	+	522	=	1.127
3.	566	+	359	=	925
4.	671	+	498	=	1.169
5.	361	+	232	=	593
6.	971	+	508	=	1.479
7.	448	+	344	=	792
8.	973	+	472	=	1.445
9.	819	+	211	=	1.030
10.	994	+	295	=	1.289

Oefening 4
1.	477	+	477	=	954
2.	516	+	491	=	1.007
3.	827	+	345	=	1.172
4.	559	+	232	=	791
5.	963	+	763	=	1.726
6.	798	+	408	=	1.206
7.	902	+	405	=	1.307
8.	417	+	334	=	751
9.	984	+	543	=	1.527
10.	909	+	871	=	1.780