Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	870	+		=	1.403
2.	724	+		=	1.044
3.	824	+		=	1.097
4.	721	+		=	1.214
5.	419	+		=	773
6.	670	+		=	1.255
7.	355	+		=	594
8.	714	+		=	1.321
9.	719	+		=	984
10.	976	+		=	1.570

Oefening 2
1.	798	+		=	1.250
2.	958	+		=	1.203
3.	653	+		=	1.217
4.	952	+		=	1.305
5.	645	+		=	875
6.	691	+		=	1.234
7.	478	+		=	694
8.	911	+		=	1.781
9.	990	+		=	1.552
10.	943	+		=	1.411

Oefening 3
1.	922	+		=	1.681
2.	872	+		=	1.356
3.	551	+		=	903
4.	611	+		=	1.011
5.	473	+		=	770
6.	533	+		=	978
7.	943	+		=	1.703
8.	631	+		=	1.239
9.	359	+		=	649
10.	569	+		=	1.012

Oefening 4
1.	747	+		=	1.412
2.	734	+		=	936
3.	941	+		=	1.718
4.	743	+		=	1.477
5.	775	+		=	1.234
6.	787	+		=	1.548
7.	444	+		=	644
8.	700	+		=	1.085
9.	524	+		=	1.028
10.	526	+		=	782

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	870	+	533	=	1.403
2.	724	+	320	=	1.044
3.	824	+	273	=	1.097
4.	721	+	493	=	1.214
5.	419	+	354	=	773
6.	670	+	585	=	1.255
7.	355	+	239	=	594
8.	714	+	607	=	1.321
9.	719	+	265	=	984
10.	976	+	594	=	1.570

Oefening 2
1.	798	+	452	=	1.250
2.	958	+	245	=	1.203
3.	653	+	564	=	1.217
4.	952	+	353	=	1.305
5.	645	+	230	=	875
6.	691	+	543	=	1.234
7.	478	+	216	=	694
8.	911	+	870	=	1.781
9.	990	+	562	=	1.552
10.	943	+	468	=	1.411

Oefening 3
1.	922	+	759	=	1.681
2.	872	+	484	=	1.356
3.	551	+	352	=	903
4.	611	+	400	=	1.011
5.	473	+	297	=	770
6.	533	+	445	=	978
7.	943	+	760	=	1.703
8.	631	+	608	=	1.239
9.	359	+	290	=	649
10.	569	+	443	=	1.012

Oefening 4
1.	747	+	665	=	1.412
2.	734	+	202	=	936
3.	941	+	777	=	1.718
4.	743	+	734	=	1.477
5.	775	+	459	=	1.234
6.	787	+	761	=	1.548
7.	444	+	200	=	644
8.	700	+	385	=	1.085
9.	524	+	504	=	1.028
10.	526	+	256	=	782