Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	351	+		=	641
2.	413	+		=	781
3.	776	+		=	1.339
4.	461	+		=	875
5.	570	+		=	784
6.	956	+		=	1.884
7.	971	+		=	1.707
8.	765	+		=	1.172
9.	423	+		=	633
10.	981	+		=	1.751

Oefening 2
1.	765	+		=	1.086
2.	852	+		=	1.169
3.	731	+		=	1.356
4.	538	+		=	1.040
5.	856	+		=	1.162
6.	804	+		=	1.022
7.	995	+		=	1.354
8.	934	+		=	1.564
9.	942	+		=	1.515
10.	600	+		=	1.151

Oefening 3
1.	758	+		=	1.455
2.	541	+		=	1.041
3.	941	+		=	1.536
4.	551	+		=	829
5.	999	+		=	1.735
6.	512	+		=	752
7.	579	+		=	1.019
8.	961	+		=	1.231
9.	626	+		=	1.141
10.	858	+		=	1.254

Oefening 4
1.	460	+		=	777
2.	969	+		=	1.864
3.	984	+		=	1.548
4.	814	+		=	1.264
5.	972	+		=	1.697
6.	931	+		=	1.861
7.	398	+		=	659
8.	319	+		=	621
9.	980	+		=	1.256
10.	721	+		=	1.200

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	351	+	290	=	641
2.	413	+	368	=	781
3.	776	+	563	=	1.339
4.	461	+	414	=	875
5.	570	+	214	=	784
6.	956	+	928	=	1.884
7.	971	+	736	=	1.707
8.	765	+	407	=	1.172
9.	423	+	210	=	633
10.	981	+	770	=	1.751

Oefening 2
1.	765	+	321	=	1.086
2.	852	+	317	=	1.169
3.	731	+	625	=	1.356
4.	538	+	502	=	1.040
5.	856	+	306	=	1.162
6.	804	+	218	=	1.022
7.	995	+	359	=	1.354
8.	934	+	630	=	1.564
9.	942	+	573	=	1.515
10.	600	+	551	=	1.151

Oefening 3
1.	758	+	697	=	1.455
2.	541	+	500	=	1.041
3.	941	+	595	=	1.536
4.	551	+	278	=	829
5.	999	+	736	=	1.735
6.	512	+	240	=	752
7.	579	+	440	=	1.019
8.	961	+	270	=	1.231
9.	626	+	515	=	1.141
10.	858	+	396	=	1.254

Oefening 4
1.	460	+	317	=	777
2.	969	+	895	=	1.864
3.	984	+	564	=	1.548
4.	814	+	450	=	1.264
5.	972	+	725	=	1.697
6.	931	+	930	=	1.861
7.	398	+	261	=	659
8.	319	+	302	=	621
9.	980	+	276	=	1.256
10.	721	+	479	=	1.200