Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	642	+		=	1.214
2.	753	+		=	1.175
3.	895	+		=	1.415
4.	478	+		=	730
5.	631	+		=	1.085
6.	966	+		=	1.513
7.	998	+		=	1.232
8.	842	+		=	1.419
9.	758	+		=	1.143
10.	957	+		=	1.549

Oefening 2
1.	949	+		=	1.666
2.	427	+		=	674
3.	959	+		=	1.730
4.	549	+		=	796
5.	639	+		=	1.273
6.	993	+		=	1.552
7.	562	+		=	959
8.	682	+		=	1.330
9.	481	+		=	772
10.	984	+		=	1.417

Oefening 3
1.	988	+		=	1.789
2.	513	+		=	948
3.	861	+		=	1.078
4.	765	+		=	1.511
5.	858	+		=	1.464
6.	541	+		=	896
7.	916	+		=	1.713
8.	385	+		=	756
9.	774	+		=	1.342
10.	945	+		=	1.848

Oefening 4
1.	724	+		=	1.401
2.	481	+		=	799
3.	869	+		=	1.214
4.	495	+		=	808
5.	711	+		=	1.291
6.	478	+		=	947
7.	962	+		=	1.843
8.	890	+		=	1.481
9.	370	+		=	639
10.	883	+		=	1.451

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	642	+	572	=	1.214
2.	753	+	422	=	1.175
3.	895	+	520	=	1.415
4.	478	+	252	=	730
5.	631	+	454	=	1.085
6.	966	+	547	=	1.513
7.	998	+	234	=	1.232
8.	842	+	577	=	1.419
9.	758	+	385	=	1.143
10.	957	+	592	=	1.549

Oefening 2
1.	949	+	717	=	1.666
2.	427	+	247	=	674
3.	959	+	771	=	1.730
4.	549	+	247	=	796
5.	639	+	634	=	1.273
6.	993	+	559	=	1.552
7.	562	+	397	=	959
8.	682	+	648	=	1.330
9.	481	+	291	=	772
10.	984	+	433	=	1.417

Oefening 3
1.	988	+	801	=	1.789
2.	513	+	435	=	948
3.	861	+	217	=	1.078
4.	765	+	746	=	1.511
5.	858	+	606	=	1.464
6.	541	+	355	=	896
7.	916	+	797	=	1.713
8.	385	+	371	=	756
9.	774	+	568	=	1.342
10.	945	+	903	=	1.848

Oefening 4
1.	724	+	677	=	1.401
2.	481	+	318	=	799
3.	869	+	345	=	1.214
4.	495	+	313	=	808
5.	711	+	580	=	1.291
6.	478	+	469	=	947
7.	962	+	881	=	1.843
8.	890	+	591	=	1.481
9.	370	+	269	=	639
10.	883	+	568	=	1.451