Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	910	+		=	1.327
2.	896	+		=	1.325
3.	713	+		=	1.034
4.	689	+		=	1.338
5.	562	+		=	777
6.	658	+		=	956
7.	987	+		=	1.812
8.	951	+		=	1.866
9.	971	+		=	1.739
10.	501	+		=	913

Oefening 2
1.	934	+		=	1.678
2.	1.000	+		=	1.642
3.	909	+		=	1.365
4.	919	+		=	1.336
5.	636	+		=	905
6.	966	+		=	1.727
7.	930	+		=	1.419
8.	825	+		=	1.362
9.	839	+		=	1.128
10.	701	+		=	1.261

Oefening 3
1.	830	+		=	1.038
2.	868	+		=	1.375
3.	839	+		=	1.244
4.	665	+		=	1.006
5.	961	+		=	1.469
6.	964	+		=	1.916
7.	611	+		=	860
8.	516	+		=	883
9.	760	+		=	1.122
10.	882	+		=	1.534

Oefening 4
1.	849	+		=	1.287
2.	928	+		=	1.612
3.	898	+		=	1.415
4.	965	+		=	1.313
5.	985	+		=	1.703
6.	834	+		=	1.656
7.	916	+		=	1.780
8.	652	+		=	1.019
9.	424	+		=	843
10.	585	+		=	1.036

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	910	+	417	=	1.327
2.	896	+	429	=	1.325
3.	713	+	321	=	1.034
4.	689	+	649	=	1.338
5.	562	+	215	=	777
6.	658	+	298	=	956
7.	987	+	825	=	1.812
8.	951	+	915	=	1.866
9.	971	+	768	=	1.739
10.	501	+	412	=	913

Oefening 2
1.	934	+	744	=	1.678
2.	1.000	+	642	=	1.642
3.	909	+	456	=	1.365
4.	919	+	417	=	1.336
5.	636	+	269	=	905
6.	966	+	761	=	1.727
7.	930	+	489	=	1.419
8.	825	+	537	=	1.362
9.	839	+	289	=	1.128
10.	701	+	560	=	1.261

Oefening 3
1.	830	+	208	=	1.038
2.	868	+	507	=	1.375
3.	839	+	405	=	1.244
4.	665	+	341	=	1.006
5.	961	+	508	=	1.469
6.	964	+	952	=	1.916
7.	611	+	249	=	860
8.	516	+	367	=	883
9.	760	+	362	=	1.122
10.	882	+	652	=	1.534

Oefening 4
1.	849	+	438	=	1.287
2.	928	+	684	=	1.612
3.	898	+	517	=	1.415
4.	965	+	348	=	1.313
5.	985	+	718	=	1.703
6.	834	+	822	=	1.656
7.	916	+	864	=	1.780
8.	652	+	367	=	1.019
9.	424	+	419	=	843
10.	585	+	451	=	1.036