Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	836	+		=	1.262
2.	703	+		=	1.043
3.	590	+		=	997
4.	670	+		=	1.147
5.	411	+		=	797
6.	447	+		=	692
7.	986	+		=	1.706
8.	919	+		=	1.694
9.	877	+		=	1.582
10.	976	+		=	1.180

Oefening 2
1.	705	+		=	1.079
2.	581	+		=	1.131
3.	698	+		=	1.384
4.	389	+		=	698
5.	391	+		=	633
6.	900	+		=	1.497
7.	681	+		=	888
8.	561	+		=	1.032
9.	989	+		=	1.445
10.	437	+		=	816

Oefening 3
1.	817	+		=	1.182
2.	946	+		=	1.551
3.	768	+		=	1.161
4.	820	+		=	1.225
5.	971	+		=	1.376
6.	850	+		=	1.554
7.	836	+		=	1.373
8.	410	+		=	627
9.	494	+		=	737
10.	782	+		=	1.403

Oefening 4
1.	529	+		=	849
2.	741	+		=	1.448
3.	890	+		=	1.571
4.	639	+		=	1.075
5.	611	+		=	1.001
6.	791	+		=	1.434
7.	828	+		=	1.128
8.	645	+		=	1.129
9.	825	+		=	1.194
10.	546	+		=	1.046

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	836	+	426	=	1.262
2.	703	+	340	=	1.043
3.	590	+	407	=	997
4.	670	+	477	=	1.147
5.	411	+	386	=	797
6.	447	+	245	=	692
7.	986	+	720	=	1.706
8.	919	+	775	=	1.694
9.	877	+	705	=	1.582
10.	976	+	204	=	1.180

Oefening 2
1.	705	+	374	=	1.079
2.	581	+	550	=	1.131
3.	698	+	686	=	1.384
4.	389	+	309	=	698
5.	391	+	242	=	633
6.	900	+	597	=	1.497
7.	681	+	207	=	888
8.	561	+	471	=	1.032
9.	989	+	456	=	1.445
10.	437	+	379	=	816

Oefening 3
1.	817	+	365	=	1.182
2.	946	+	605	=	1.551
3.	768	+	393	=	1.161
4.	820	+	405	=	1.225
5.	971	+	405	=	1.376
6.	850	+	704	=	1.554
7.	836	+	537	=	1.373
8.	410	+	217	=	627
9.	494	+	243	=	737
10.	782	+	621	=	1.403

Oefening 4
1.	529	+	320	=	849
2.	741	+	707	=	1.448
3.	890	+	681	=	1.571
4.	639	+	436	=	1.075
5.	611	+	390	=	1.001
6.	791	+	643	=	1.434
7.	828	+	300	=	1.128
8.	645	+	484	=	1.129
9.	825	+	369	=	1.194
10.	546	+	500	=	1.046