Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	858	+		=	1.248
2.	683	+		=	964
3.	761	+		=	1.512
4.	796	+		=	1.568
5.	594	+		=	991
6.	970	+		=	1.546
7.	607	+		=	840
8.	457	+		=	706
9.	969	+		=	1.786
10.	937	+		=	1.641

Oefening 2
1.	978	+		=	1.228
2.	824	+		=	1.642
3.	647	+		=	1.087
4.	822	+		=	1.550
5.	976	+		=	1.306
6.	668	+		=	1.290
7.	491	+		=	794
8.	572	+		=	1.089
9.	661	+		=	1.281
10.	632	+		=	952

Oefening 3
1.	563	+		=	814
2.	572	+		=	951
3.	953	+		=	1.311
4.	902	+		=	1.565
5.	828	+		=	1.201
6.	903	+		=	1.473
7.	406	+		=	717
8.	721	+		=	1.099
9.	327	+		=	562
10.	783	+		=	1.531

Oefening 4
1.	826	+		=	1.066
2.	239	+		=	448
3.	768	+		=	1.534
4.	716	+		=	1.385
5.	574	+		=	1.091
6.	874	+		=	1.092
7.	771	+		=	1.347
8.	800	+		=	1.527
9.	928	+		=	1.361
10.	923	+		=	1.255

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	858	+	390	=	1.248
2.	683	+	281	=	964
3.	761	+	751	=	1.512
4.	796	+	772	=	1.568
5.	594	+	397	=	991
6.	970	+	576	=	1.546
7.	607	+	233	=	840
8.	457	+	249	=	706
9.	969	+	817	=	1.786
10.	937	+	704	=	1.641

Oefening 2
1.	978	+	250	=	1.228
2.	824	+	818	=	1.642
3.	647	+	440	=	1.087
4.	822	+	728	=	1.550
5.	976	+	330	=	1.306
6.	668	+	622	=	1.290
7.	491	+	303	=	794
8.	572	+	517	=	1.089
9.	661	+	620	=	1.281
10.	632	+	320	=	952

Oefening 3
1.	563	+	251	=	814
2.	572	+	379	=	951
3.	953	+	358	=	1.311
4.	902	+	663	=	1.565
5.	828	+	373	=	1.201
6.	903	+	570	=	1.473
7.	406	+	311	=	717
8.	721	+	378	=	1.099
9.	327	+	235	=	562
10.	783	+	748	=	1.531

Oefening 4
1.	826	+	240	=	1.066
2.	239	+	209	=	448
3.	768	+	766	=	1.534
4.	716	+	669	=	1.385
5.	574	+	517	=	1.091
6.	874	+	218	=	1.092
7.	771	+	576	=	1.347
8.	800	+	727	=	1.527
9.	928	+	433	=	1.361
10.	923	+	332	=	1.255