Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	406	+		=	697
2.	374	+		=	660
3.	978	+		=	1.809
4.	633	+		=	867
5.	795	+		=	1.125
6.	632	+		=	924
7.	849	+		=	1.455
8.	869	+		=	1.651
9.	733	+		=	1.315
10.	730	+		=	999

Oefening 2
1.	876	+		=	1.564
2.	752	+		=	1.289
3.	847	+		=	1.456
4.	791	+		=	1.523
5.	631	+		=	1.231
6.	919	+		=	1.132
7.	931	+		=	1.721
8.	805	+		=	1.036
9.	394	+		=	749
10.	923	+		=	1.834

Oefening 3
1.	815	+		=	1.153
2.	816	+		=	1.095
3.	666	+		=	1.137
4.	709	+		=	1.388
5.	901	+		=	1.577
6.	672	+		=	908
7.	654	+		=	1.023
8.	962	+		=	1.777
9.	991	+		=	1.202
10.	344	+		=	564

Oefening 4
1.	562	+		=	807
2.	716	+		=	1.375
3.	984	+		=	1.264
4.	382	+		=	693
5.	710	+		=	1.395
6.	858	+		=	1.111
7.	585	+		=	1.120
8.	706	+		=	915
9.	645	+		=	1.184
10.	435	+		=	708

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	406	+	291	=	697
2.	374	+	286	=	660
3.	978	+	831	=	1.809
4.	633	+	234	=	867
5.	795	+	330	=	1.125
6.	632	+	292	=	924
7.	849	+	606	=	1.455
8.	869	+	782	=	1.651
9.	733	+	582	=	1.315
10.	730	+	269	=	999

Oefening 2
1.	876	+	688	=	1.564
2.	752	+	537	=	1.289
3.	847	+	609	=	1.456
4.	791	+	732	=	1.523
5.	631	+	600	=	1.231
6.	919	+	213	=	1.132
7.	931	+	790	=	1.721
8.	805	+	231	=	1.036
9.	394	+	355	=	749
10.	923	+	911	=	1.834

Oefening 3
1.	815	+	338	=	1.153
2.	816	+	279	=	1.095
3.	666	+	471	=	1.137
4.	709	+	679	=	1.388
5.	901	+	676	=	1.577
6.	672	+	236	=	908
7.	654	+	369	=	1.023
8.	962	+	815	=	1.777
9.	991	+	211	=	1.202
10.	344	+	220	=	564

Oefening 4
1.	562	+	245	=	807
2.	716	+	659	=	1.375
3.	984	+	280	=	1.264
4.	382	+	311	=	693
5.	710	+	685	=	1.395
6.	858	+	253	=	1.111
7.	585	+	535	=	1.120
8.	706	+	209	=	915
9.	645	+	539	=	1.184
10.	435	+	273	=	708