Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	979	+		=	1.578
2.	875	+		=	1.125
3.	809	+		=	1.607
4.	890	+		=	1.502
5.	658	+		=	1.241
6.	985	+		=	1.782
7.	842	+		=	1.123
8.	812	+		=	1.392
9.	924	+		=	1.445
10.	630	+		=	848

Oefening 2
1.	900	+		=	1.417
2.	471	+		=	766
3.	936	+		=	1.531
4.	785	+		=	1.282
5.	727	+		=	1.410
6.	881	+		=	1.241
7.	411	+		=	821
8.	891	+		=	1.116
9.	842	+		=	1.460
10.	880	+		=	1.659

Oefening 3
1.	821	+		=	1.171
2.	886	+		=	1.624
3.	719	+		=	1.217
4.	617	+		=	1.228
5.	432	+		=	712
6.	957	+		=	1.837
7.	457	+		=	747
8.	902	+		=	1.570
9.	963	+		=	1.263
10.	581	+		=	966

Oefening 4
1.	769	+		=	1.051
2.	970	+		=	1.309
3.	942	+		=	1.741
4.	766	+		=	1.104
5.	702	+		=	1.176
6.	698	+		=	1.195
7.	591	+		=	994
8.	595	+		=	1.012
9.	923	+		=	1.727
10.	286	+		=	564

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	979	+	599	=	1.578
2.	875	+	250	=	1.125
3.	809	+	798	=	1.607
4.	890	+	612	=	1.502
5.	658	+	583	=	1.241
6.	985	+	797	=	1.782
7.	842	+	281	=	1.123
8.	812	+	580	=	1.392
9.	924	+	521	=	1.445
10.	630	+	218	=	848

Oefening 2
1.	900	+	517	=	1.417
2.	471	+	295	=	766
3.	936	+	595	=	1.531
4.	785	+	497	=	1.282
5.	727	+	683	=	1.410
6.	881	+	360	=	1.241
7.	411	+	410	=	821
8.	891	+	225	=	1.116
9.	842	+	618	=	1.460
10.	880	+	779	=	1.659

Oefening 3
1.	821	+	350	=	1.171
2.	886	+	738	=	1.624
3.	719	+	498	=	1.217
4.	617	+	611	=	1.228
5.	432	+	280	=	712
6.	957	+	880	=	1.837
7.	457	+	290	=	747
8.	902	+	668	=	1.570
9.	963	+	300	=	1.263
10.	581	+	385	=	966

Oefening 4
1.	769	+	282	=	1.051
2.	970	+	339	=	1.309
3.	942	+	799	=	1.741
4.	766	+	338	=	1.104
5.	702	+	474	=	1.176
6.	698	+	497	=	1.195
7.	591	+	403	=	994
8.	595	+	417	=	1.012
9.	923	+	804	=	1.727
10.	286	+	278	=	564