Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	572	+		=	802
2.	585	+		=	997
3.	883	+		=	1.361
4.	543	+		=	1.049
5.	992	+		=	1.845
6.	778	+		=	1.237
7.	753	+		=	1.177
8.	869	+		=	1.314
9.	318	+		=	566
10.	536	+		=	1.066

Oefening 2
1.	728	+		=	988
2.	402	+		=	687
3.	750	+		=	1.463
4.	645	+		=	1.105
5.	917	+		=	1.456
6.	700	+		=	1.154
7.	954	+		=	1.462
8.	997	+		=	1.549
9.	948	+		=	1.541
10.	618	+		=	929

Oefening 3
1.	986	+		=	1.527
2.	908	+		=	1.733
3.	925	+		=	1.802
4.	692	+		=	1.338
5.	833	+		=	1.563
6.	904	+		=	1.587
7.	983	+		=	1.531
8.	391	+		=	603
9.	816	+		=	1.396
10.	287	+		=	526

Oefening 4
1.	922	+		=	1.766
2.	937	+		=	1.280
3.	987	+		=	1.541
4.	664	+		=	1.266
5.	898	+		=	1.766
6.	951	+		=	1.318
7.	485	+		=	795
8.	936	+		=	1.600
9.	627	+		=	1.224
10.	878	+		=	1.274

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	572	+	230	=	802
2.	585	+	412	=	997
3.	883	+	478	=	1.361
4.	543	+	506	=	1.049
5.	992	+	853	=	1.845
6.	778	+	459	=	1.237
7.	753	+	424	=	1.177
8.	869	+	445	=	1.314
9.	318	+	248	=	566
10.	536	+	530	=	1.066

Oefening 2
1.	728	+	260	=	988
2.	402	+	285	=	687
3.	750	+	713	=	1.463
4.	645	+	460	=	1.105
5.	917	+	539	=	1.456
6.	700	+	454	=	1.154
7.	954	+	508	=	1.462
8.	997	+	552	=	1.549
9.	948	+	593	=	1.541
10.	618	+	311	=	929

Oefening 3
1.	986	+	541	=	1.527
2.	908	+	825	=	1.733
3.	925	+	877	=	1.802
4.	692	+	646	=	1.338
5.	833	+	730	=	1.563
6.	904	+	683	=	1.587
7.	983	+	548	=	1.531
8.	391	+	212	=	603
9.	816	+	580	=	1.396
10.	287	+	239	=	526

Oefening 4
1.	922	+	844	=	1.766
2.	937	+	343	=	1.280
3.	987	+	554	=	1.541
4.	664	+	602	=	1.266
5.	898	+	868	=	1.766
6.	951	+	367	=	1.318
7.	485	+	310	=	795
8.	936	+	664	=	1.600
9.	627	+	597	=	1.224
10.	878	+	396	=	1.274