Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	994	+		=	1.905
2.	538	+		=	1.009
3.	511	+		=	958
4.	758	+		=	1.463
5.	896	+		=	1.308
6.	879	+		=	1.156
7.	984	+		=	1.868
8.	727	+		=	978
9.	807	+		=	1.250
10.	776	+		=	1.213

Oefening 2
1.	340	+		=	651
2.	317	+		=	582
3.	612	+		=	1.036
4.	840	+		=	1.115
5.	750	+		=	984
6.	528	+		=	973
7.	491	+		=	721
8.	935	+		=	1.363
9.	259	+		=	495
10.	918	+		=	1.121

Oefening 3
1.	881	+		=	1.298
2.	261	+		=	490
3.	555	+		=	959
4.	928	+		=	1.614
5.	915	+		=	1.215
6.	312	+		=	615
7.	805	+		=	1.009
8.	288	+		=	525
9.	466	+		=	745
10.	944	+		=	1.682

Oefening 4
1.	971	+		=	1.884
2.	947	+		=	1.746
3.	549	+		=	754
4.	773	+		=	1.170
5.	951	+		=	1.559
6.	968	+		=	1.821
7.	950	+		=	1.503
8.	940	+		=	1.234
9.	308	+		=	545
10.	792	+		=	1.469

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	994	+	911	=	1.905
2.	538	+	471	=	1.009
3.	511	+	447	=	958
4.	758	+	705	=	1.463
5.	896	+	412	=	1.308
6.	879	+	277	=	1.156
7.	984	+	884	=	1.868
8.	727	+	251	=	978
9.	807	+	443	=	1.250
10.	776	+	437	=	1.213

Oefening 2
1.	340	+	311	=	651
2.	317	+	265	=	582
3.	612	+	424	=	1.036
4.	840	+	275	=	1.115
5.	750	+	234	=	984
6.	528	+	445	=	973
7.	491	+	230	=	721
8.	935	+	428	=	1.363
9.	259	+	236	=	495
10.	918	+	203	=	1.121

Oefening 3
1.	881	+	417	=	1.298
2.	261	+	229	=	490
3.	555	+	404	=	959
4.	928	+	686	=	1.614
5.	915	+	300	=	1.215
6.	312	+	303	=	615
7.	805	+	204	=	1.009
8.	288	+	237	=	525
9.	466	+	279	=	745
10.	944	+	738	=	1.682

Oefening 4
1.	971	+	913	=	1.884
2.	947	+	799	=	1.746
3.	549	+	205	=	754
4.	773	+	397	=	1.170
5.	951	+	608	=	1.559
6.	968	+	853	=	1.821
7.	950	+	553	=	1.503
8.	940	+	294	=	1.234
9.	308	+	237	=	545
10.	792	+	677	=	1.469