Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	549	+		=	1.073
2.	266	+		=	522
3.	790	+		=	1.160
4.	931	+		=	1.644
5.	765	+		=	1.029
6.	674	+		=	1.267
7.	829	+		=	1.201
8.	558	+		=	832
9.	944	+		=	1.727
10.	862	+		=	1.351

Oefening 2
1.	483	+		=	754
2.	936	+		=	1.351
3.	601	+		=	1.076
4.	803	+		=	1.054
5.	972	+		=	1.604
6.	886	+		=	1.534
7.	482	+		=	923
8.	966	+		=	1.743
9.	797	+		=	1.144
10.	832	+		=	1.542

Oefening 3
1.	871	+		=	1.681
2.	887	+		=	1.665
3.	973	+		=	1.730
4.	725	+		=	930
5.	394	+		=	682
6.	942	+		=	1.300
7.	560	+		=	888
8.	639	+		=	920
9.	569	+		=	1.042
10.	872	+		=	1.624

Oefening 4
1.	874	+		=	1.296
2.	656	+		=	1.263
3.	859	+		=	1.296
4.	596	+		=	1.080
5.	781	+		=	994
6.	365	+		=	590
7.	539	+		=	905
8.	945	+		=	1.694
9.	608	+		=	908
10.	784	+		=	1.245

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	549	+	524	=	1.073
2.	266	+	256	=	522
3.	790	+	370	=	1.160
4.	931	+	713	=	1.644
5.	765	+	264	=	1.029
6.	674	+	593	=	1.267
7.	829	+	372	=	1.201
8.	558	+	274	=	832
9.	944	+	783	=	1.727
10.	862	+	489	=	1.351

Oefening 2
1.	483	+	271	=	754
2.	936	+	415	=	1.351
3.	601	+	475	=	1.076
4.	803	+	251	=	1.054
5.	972	+	632	=	1.604
6.	886	+	648	=	1.534
7.	482	+	441	=	923
8.	966	+	777	=	1.743
9.	797	+	347	=	1.144
10.	832	+	710	=	1.542

Oefening 3
1.	871	+	810	=	1.681
2.	887	+	778	=	1.665
3.	973	+	757	=	1.730
4.	725	+	205	=	930
5.	394	+	288	=	682
6.	942	+	358	=	1.300
7.	560	+	328	=	888
8.	639	+	281	=	920
9.	569	+	473	=	1.042
10.	872	+	752	=	1.624

Oefening 4
1.	874	+	422	=	1.296
2.	656	+	607	=	1.263
3.	859	+	437	=	1.296
4.	596	+	484	=	1.080
5.	781	+	213	=	994
6.	365	+	225	=	590
7.	539	+	366	=	905
8.	945	+	749	=	1.694
9.	608	+	300	=	908
10.	784	+	461	=	1.245