Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	888	+		=	1.385
2.	914	+		=	1.571
3.	982	+		=	1.444
4.	812	+		=	1.088
5.	708	+		=	1.282
6.	714	+		=	1.205
7.	931	+		=	1.568
8.	808	+		=	1.256
9.	540	+		=	748
10.	755	+		=	1.278

Oefening 2
1.	916	+		=	1.525
2.	794	+		=	1.069
3.	700	+		=	1.300
4.	562	+		=	792
5.	875	+		=	1.491
6.	869	+		=	1.722
7.	823	+		=	1.113
8.	913	+		=	1.759
9.	974	+		=	1.895
10.	720	+		=	1.007

Oefening 3
1.	898	+		=	1.309
2.	977	+		=	1.239
3.	612	+		=	1.096
4.	989	+		=	1.652
5.	606	+		=	1.034
6.	924	+		=	1.527
7.	724	+		=	1.206
8.	381	+		=	712
9.	717	+		=	1.381
10.	853	+		=	1.329

Oefening 4
1.	438	+		=	691
2.	904	+		=	1.116
3.	506	+		=	730
4.	821	+		=	1.377
5.	324	+		=	603
6.	785	+		=	1.509
7.	275	+		=	475
8.	393	+		=	640
9.	407	+		=	689
10.	808	+		=	1.549

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	888	+	497	=	1.385
2.	914	+	657	=	1.571
3.	982	+	462	=	1.444
4.	812	+	276	=	1.088
5.	708	+	574	=	1.282
6.	714	+	491	=	1.205
7.	931	+	637	=	1.568
8.	808	+	448	=	1.256
9.	540	+	208	=	748
10.	755	+	523	=	1.278

Oefening 2
1.	916	+	609	=	1.525
2.	794	+	275	=	1.069
3.	700	+	600	=	1.300
4.	562	+	230	=	792
5.	875	+	616	=	1.491
6.	869	+	853	=	1.722
7.	823	+	290	=	1.113
8.	913	+	846	=	1.759
9.	974	+	921	=	1.895
10.	720	+	287	=	1.007

Oefening 3
1.	898	+	411	=	1.309
2.	977	+	262	=	1.239
3.	612	+	484	=	1.096
4.	989	+	663	=	1.652
5.	606	+	428	=	1.034
6.	924	+	603	=	1.527
7.	724	+	482	=	1.206
8.	381	+	331	=	712
9.	717	+	664	=	1.381
10.	853	+	476	=	1.329

Oefening 4
1.	438	+	253	=	691
2.	904	+	212	=	1.116
3.	506	+	224	=	730
4.	821	+	556	=	1.377
5.	324	+	279	=	603
6.	785	+	724	=	1.509
7.	275	+	200	=	475
8.	393	+	247	=	640
9.	407	+	282	=	689
10.	808	+	741	=	1.549