Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	971	+		=	1.821
2.	664	+		=	1.267
3.	407	+		=	794
4.	824	+		=	1.314
5.	630	+		=	890
6.	971	+		=	1.430
7.	750	+		=	1.455
8.	714	+		=	1.311
9.	896	+		=	1.566
10.	504	+		=	870

Oefening 2
1.	824	+		=	1.120
2.	991	+		=	1.231
3.	966	+		=	1.320
4.	708	+		=	1.137
5.	969	+		=	1.508
6.	982	+		=	1.367
7.	528	+		=	893
8.	535	+		=	931
9.	975	+		=	1.471
10.	838	+		=	1.373

Oefening 3
1.	731	+		=	1.114
2.	1.000	+		=	1.533
3.	958	+		=	1.356
4.	954	+		=	1.901
5.	751	+		=	1.361
6.	844	+		=	1.185
7.	741	+		=	1.333
8.	574	+		=	952
9.	961	+		=	1.717
10.	463	+		=	764

Oefening 4
1.	458	+		=	846
2.	845	+		=	1.290
3.	615	+		=	816
4.	870	+		=	1.439
5.	901	+		=	1.223
6.	686	+		=	1.078
7.	799	+		=	1.438
8.	927	+		=	1.255
9.	911	+		=	1.500
10.	888	+		=	1.765

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	971	+	850	=	1.821
2.	664	+	603	=	1.267
3.	407	+	387	=	794
4.	824	+	490	=	1.314
5.	630	+	260	=	890
6.	971	+	459	=	1.430
7.	750	+	705	=	1.455
8.	714	+	597	=	1.311
9.	896	+	670	=	1.566
10.	504	+	366	=	870

Oefening 2
1.	824	+	296	=	1.120
2.	991	+	240	=	1.231
3.	966	+	354	=	1.320
4.	708	+	429	=	1.137
5.	969	+	539	=	1.508
6.	982	+	385	=	1.367
7.	528	+	365	=	893
8.	535	+	396	=	931
9.	975	+	496	=	1.471
10.	838	+	535	=	1.373

Oefening 3
1.	731	+	383	=	1.114
2.	1.000	+	533	=	1.533
3.	958	+	398	=	1.356
4.	954	+	947	=	1.901
5.	751	+	610	=	1.361
6.	844	+	341	=	1.185
7.	741	+	592	=	1.333
8.	574	+	378	=	952
9.	961	+	756	=	1.717
10.	463	+	301	=	764

Oefening 4
1.	458	+	388	=	846
2.	845	+	445	=	1.290
3.	615	+	201	=	816
4.	870	+	569	=	1.439
5.	901	+	322	=	1.223
6.	686	+	392	=	1.078
7.	799	+	639	=	1.438
8.	927	+	328	=	1.255
9.	911	+	589	=	1.500
10.	888	+	877	=	1.765