Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	545	+		=	773
2.	766	+		=	1.396
3.	844	+		=	1.572
4.	456	+		=	865
5.	937	+		=	1.574
6.	856	+		=	1.543
7.	545	+		=	1.049
8.	880	+		=	1.473
9.	925	+		=	1.714
10.	506	+		=	743

Oefening 2
1.	732	+		=	1.277
2.	789	+		=	1.145
3.	333	+		=	606
4.	712	+		=	1.279
5.	815	+		=	1.547
6.	860	+		=	1.178
7.	649	+		=	897
8.	415	+		=	694
9.	608	+		=	1.047
10.	902	+		=	1.452

Oefening 3
1.	969	+		=	1.800
2.	933	+		=	1.827
3.	910	+		=	1.689
4.	806	+		=	1.046
5.	736	+		=	1.026
6.	929	+		=	1.668
7.	707	+		=	991
8.	710	+		=	1.046
9.	493	+		=	793
10.	766	+		=	1.257

Oefening 4
1.	652	+		=	944
2.	982	+		=	1.264
3.	992	+		=	1.657
4.	992	+		=	1.630
5.	897	+		=	1.544
6.	770	+		=	1.495
7.	923	+		=	1.573
8.	943	+		=	1.785
9.	966	+		=	1.529
10.	599	+		=	1.055

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	545	+	228	=	773
2.	766	+	630	=	1.396
3.	844	+	728	=	1.572
4.	456	+	409	=	865
5.	937	+	637	=	1.574
6.	856	+	687	=	1.543
7.	545	+	504	=	1.049
8.	880	+	593	=	1.473
9.	925	+	789	=	1.714
10.	506	+	237	=	743

Oefening 2
1.	732	+	545	=	1.277
2.	789	+	356	=	1.145
3.	333	+	273	=	606
4.	712	+	567	=	1.279
5.	815	+	732	=	1.547
6.	860	+	318	=	1.178
7.	649	+	248	=	897
8.	415	+	279	=	694
9.	608	+	439	=	1.047
10.	902	+	550	=	1.452

Oefening 3
1.	969	+	831	=	1.800
2.	933	+	894	=	1.827
3.	910	+	779	=	1.689
4.	806	+	240	=	1.046
5.	736	+	290	=	1.026
6.	929	+	739	=	1.668
7.	707	+	284	=	991
8.	710	+	336	=	1.046
9.	493	+	300	=	793
10.	766	+	491	=	1.257

Oefening 4
1.	652	+	292	=	944
2.	982	+	282	=	1.264
3.	992	+	665	=	1.657
4.	992	+	638	=	1.630
5.	897	+	647	=	1.544
6.	770	+	725	=	1.495
7.	923	+	650	=	1.573
8.	943	+	842	=	1.785
9.	966	+	563	=	1.529
10.	599	+	456	=	1.055