Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	930	+		=	1.163
2.	759	+		=	1.012
3.	593	+		=	869
4.	676	+		=	991
5.	742	+		=	1.263
6.	450	+		=	792
7.	666	+		=	994
8.	562	+		=	875
9.	911	+		=	1.170
10.	381	+		=	686

Oefening 2
1.	400	+		=	647
2.	582	+		=	972
3.	656	+		=	986
4.	759	+		=	988
5.	973	+		=	1.771
6.	784	+		=	1.014
7.	880	+		=	1.621
8.	911	+		=	1.629
9.	311	+		=	512
10.	853	+		=	1.250

Oefening 3
1.	751	+		=	1.164
2.	778	+		=	1.052
3.	833	+		=	1.187
4.	842	+		=	1.069
5.	728	+		=	1.022
6.	994	+		=	1.259
7.	892	+		=	1.314
8.	516	+		=	948
9.	874	+		=	1.298
10.	911	+		=	1.335

Oefening 4
1.	917	+		=	1.345
2.	896	+		=	1.692
3.	782	+		=	1.506
4.	648	+		=	1.161
5.	863	+		=	1.217
6.	876	+		=	1.353
7.	858	+		=	1.219
8.	834	+		=	1.119
9.	944	+		=	1.867
10.	857	+		=	1.140

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	930	+	233	=	1.163
2.	759	+	253	=	1.012
3.	593	+	276	=	869
4.	676	+	315	=	991
5.	742	+	521	=	1.263
6.	450	+	342	=	792
7.	666	+	328	=	994
8.	562	+	313	=	875
9.	911	+	259	=	1.170
10.	381	+	305	=	686

Oefening 2
1.	400	+	247	=	647
2.	582	+	390	=	972
3.	656	+	330	=	986
4.	759	+	229	=	988
5.	973	+	798	=	1.771
6.	784	+	230	=	1.014
7.	880	+	741	=	1.621
8.	911	+	718	=	1.629
9.	311	+	201	=	512
10.	853	+	397	=	1.250

Oefening 3
1.	751	+	413	=	1.164
2.	778	+	274	=	1.052
3.	833	+	354	=	1.187
4.	842	+	227	=	1.069
5.	728	+	294	=	1.022
6.	994	+	265	=	1.259
7.	892	+	422	=	1.314
8.	516	+	432	=	948
9.	874	+	424	=	1.298
10.	911	+	424	=	1.335

Oefening 4
1.	917	+	428	=	1.345
2.	896	+	796	=	1.692
3.	782	+	724	=	1.506
4.	648	+	513	=	1.161
5.	863	+	354	=	1.217
6.	876	+	477	=	1.353
7.	858	+	361	=	1.219
8.	834	+	285	=	1.119
9.	944	+	923	=	1.867
10.	857	+	283	=	1.140