Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	295	+		=	550
2.	786	+		=	1.306
3.	997	+		=	1.712
4.	955	+		=	1.604
5.	962	+		=	1.505
6.	566	+		=	884
7.	488	+		=	743
8.	717	+		=	1.292
9.	626	+		=	857
10.	828	+		=	1.607

Oefening 2
1.	794	+		=	1.044
2.	590	+		=	1.022
3.	890	+		=	1.749
4.	951	+		=	1.571
5.	677	+		=	1.301
6.	990	+		=	1.899
7.	839	+		=	1.042
8.	647	+		=	997
9.	705	+		=	1.337
10.	898	+		=	1.274

Oefening 3
1.	406	+		=	612
2.	914	+		=	1.744
3.	554	+		=	767
4.	842	+		=	1.109
5.	629	+		=	1.199
6.	730	+		=	1.025
7.	730	+		=	1.032
8.	618	+		=	1.029
9.	814	+		=	1.194
10.	842	+		=	1.412

Oefening 4
1.	645	+		=	1.130
2.	888	+		=	1.373
3.	881	+		=	1.155
4.	584	+		=	901
5.	391	+		=	746
6.	944	+		=	1.808
7.	508	+		=	883
8.	687	+		=	1.121
9.	653	+		=	961
10.	706	+		=	1.351

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	295	+	255	=	550
2.	786	+	520	=	1.306
3.	997	+	715	=	1.712
4.	955	+	649	=	1.604
5.	962	+	543	=	1.505
6.	566	+	318	=	884
7.	488	+	255	=	743
8.	717	+	575	=	1.292
9.	626	+	231	=	857
10.	828	+	779	=	1.607

Oefening 2
1.	794	+	250	=	1.044
2.	590	+	432	=	1.022
3.	890	+	859	=	1.749
4.	951	+	620	=	1.571
5.	677	+	624	=	1.301
6.	990	+	909	=	1.899
7.	839	+	203	=	1.042
8.	647	+	350	=	997
9.	705	+	632	=	1.337
10.	898	+	376	=	1.274

Oefening 3
1.	406	+	206	=	612
2.	914	+	830	=	1.744
3.	554	+	213	=	767
4.	842	+	267	=	1.109
5.	629	+	570	=	1.199
6.	730	+	295	=	1.025
7.	730	+	302	=	1.032
8.	618	+	411	=	1.029
9.	814	+	380	=	1.194
10.	842	+	570	=	1.412

Oefening 4
1.	645	+	485	=	1.130
2.	888	+	485	=	1.373
3.	881	+	274	=	1.155
4.	584	+	317	=	901
5.	391	+	355	=	746
6.	944	+	864	=	1.808
7.	508	+	375	=	883
8.	687	+	434	=	1.121
9.	653	+	308	=	961
10.	706	+	645	=	1.351