Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	780	+		=	1.298
2.	866	+		=	1.461
3.	693	+		=	1.110
4.	624	+		=	876
5.	963	+		=	1.546
6.	867	+		=	1.100
7.	493	+		=	710
8.	580	+		=	875
9.	882	+		=	1.355
10.	281	+		=	522

Oefening 2
1.	821	+		=	1.136
2.	398	+		=	787
3.	359	+		=	583
4.	834	+		=	1.264
5.	733	+		=	996
6.	692	+		=	1.015
7.	556	+		=	1.054
8.	355	+		=	587
9.	934	+		=	1.493
10.	833	+		=	1.413

Oefening 3
1.	928	+		=	1.311
2.	976	+		=	1.659
3.	683	+		=	1.030
4.	706	+		=	1.062
5.	651	+		=	1.284
6.	716	+		=	1.003
7.	590	+		=	995
8.	602	+		=	1.122
9.	717	+		=	919
10.	732	+		=	1.036

Oefening 4
1.	434	+		=	800
2.	884	+		=	1.704
3.	885	+		=	1.591
4.	588	+		=	1.066
5.	894	+		=	1.729
6.	648	+		=	1.291
7.	683	+		=	941
8.	659	+		=	1.234
9.	674	+		=	1.144
10.	743	+		=	1.396

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	780	+	518	=	1.298
2.	866	+	595	=	1.461
3.	693	+	417	=	1.110
4.	624	+	252	=	876
5.	963	+	583	=	1.546
6.	867	+	233	=	1.100
7.	493	+	217	=	710
8.	580	+	295	=	875
9.	882	+	473	=	1.355
10.	281	+	241	=	522

Oefening 2
1.	821	+	315	=	1.136
2.	398	+	389	=	787
3.	359	+	224	=	583
4.	834	+	430	=	1.264
5.	733	+	263	=	996
6.	692	+	323	=	1.015
7.	556	+	498	=	1.054
8.	355	+	232	=	587
9.	934	+	559	=	1.493
10.	833	+	580	=	1.413

Oefening 3
1.	928	+	383	=	1.311
2.	976	+	683	=	1.659
3.	683	+	347	=	1.030
4.	706	+	356	=	1.062
5.	651	+	633	=	1.284
6.	716	+	287	=	1.003
7.	590	+	405	=	995
8.	602	+	520	=	1.122
9.	717	+	202	=	919
10.	732	+	304	=	1.036

Oefening 4
1.	434	+	366	=	800
2.	884	+	820	=	1.704
3.	885	+	706	=	1.591
4.	588	+	478	=	1.066
5.	894	+	835	=	1.729
6.	648	+	643	=	1.291
7.	683	+	258	=	941
8.	659	+	575	=	1.234
9.	674	+	470	=	1.144
10.	743	+	653	=	1.396