Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	991	+		=	1.531
2.	348	+		=	620
3.	925	+		=	1.593
4.	528	+		=	869
5.	733	+		=	1.260
6.	973	+		=	1.683
7.	901	+		=	1.233
8.	640	+		=	875
9.	872	+		=	1.413
10.	830	+		=	1.304

Oefening 2
1.	768	+		=	1.258
2.	1.000	+		=	1.650
3.	831	+		=	1.396
4.	853	+		=	1.293
5.	853	+		=	1.420
6.	923	+		=	1.230
7.	822	+		=	1.359
8.	525	+		=	922
9.	353	+		=	690
10.	770	+		=	1.218

Oefening 3
1.	979	+		=	1.697
2.	836	+		=	1.305
3.	488	+		=	929
4.	992	+		=	1.827
5.	931	+		=	1.493
6.	802	+		=	1.233
7.	988	+		=	1.852
8.	697	+		=	1.245
9.	542	+		=	928
10.	883	+		=	1.528

Oefening 4
1.	794	+		=	1.531
2.	975	+		=	1.659
3.	409	+		=	712
4.	424	+		=	689
5.	439	+		=	768
6.	472	+		=	922
7.	971	+		=	1.807
8.	808	+		=	1.379
9.	882	+		=	1.493
10.	984	+		=	1.367

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	991	+	540	=	1.531
2.	348	+	272	=	620
3.	925	+	668	=	1.593
4.	528	+	341	=	869
5.	733	+	527	=	1.260
6.	973	+	710	=	1.683
7.	901	+	332	=	1.233
8.	640	+	235	=	875
9.	872	+	541	=	1.413
10.	830	+	474	=	1.304

Oefening 2
1.	768	+	490	=	1.258
2.	1.000	+	650	=	1.650
3.	831	+	565	=	1.396
4.	853	+	440	=	1.293
5.	853	+	567	=	1.420
6.	923	+	307	=	1.230
7.	822	+	537	=	1.359
8.	525	+	397	=	922
9.	353	+	337	=	690
10.	770	+	448	=	1.218

Oefening 3
1.	979	+	718	=	1.697
2.	836	+	469	=	1.305
3.	488	+	441	=	929
4.	992	+	835	=	1.827
5.	931	+	562	=	1.493
6.	802	+	431	=	1.233
7.	988	+	864	=	1.852
8.	697	+	548	=	1.245
9.	542	+	386	=	928
10.	883	+	645	=	1.528

Oefening 4
1.	794	+	737	=	1.531
2.	975	+	684	=	1.659
3.	409	+	303	=	712
4.	424	+	265	=	689
5.	439	+	329	=	768
6.	472	+	450	=	922
7.	971	+	836	=	1.807
8.	808	+	571	=	1.379
9.	882	+	611	=	1.493
10.	984	+	383	=	1.367