Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	403	+		=	658
2.	741	+		=	1.308
3.	913	+		=	1.326
4.	845	+		=	1.379
5.	805	+		=	1.241
6.	989	+		=	1.290
7.	850	+		=	1.155
8.	707	+		=	1.372
9.	989	+		=	1.516
10.	806	+		=	1.532

Oefening 2
1.	635	+		=	971
2.	504	+		=	929
3.	670	+		=	1.250
4.	882	+		=	1.759
5.	425	+		=	668
6.	844	+		=	1.298
7.	920	+		=	1.445
8.	735	+		=	1.465
9.	626	+		=	912
10.	890	+		=	1.559

Oefening 3
1.	637	+		=	969
2.	595	+		=	1.014
3.	672	+		=	1.130
4.	769	+		=	987
5.	740	+		=	1.022
6.	761	+		=	1.277
7.	327	+		=	593
8.	848	+		=	1.437
9.	793	+		=	1.505
10.	660	+		=	890

Oefening 4
1.	648	+		=	1.089
2.	858	+		=	1.584
3.	705	+		=	944
4.	822	+		=	1.598
5.	922	+		=	1.307
6.	856	+		=	1.673
7.	969	+		=	1.331
8.	557	+		=	835
9.	933	+		=	1.545
10.	925	+		=	1.329

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	403	+	255	=	658
2.	741	+	567	=	1.308
3.	913	+	413	=	1.326
4.	845	+	534	=	1.379
5.	805	+	436	=	1.241
6.	989	+	301	=	1.290
7.	850	+	305	=	1.155
8.	707	+	665	=	1.372
9.	989	+	527	=	1.516
10.	806	+	726	=	1.532

Oefening 2
1.	635	+	336	=	971
2.	504	+	425	=	929
3.	670	+	580	=	1.250
4.	882	+	877	=	1.759
5.	425	+	243	=	668
6.	844	+	454	=	1.298
7.	920	+	525	=	1.445
8.	735	+	730	=	1.465
9.	626	+	286	=	912
10.	890	+	669	=	1.559

Oefening 3
1.	637	+	332	=	969
2.	595	+	419	=	1.014
3.	672	+	458	=	1.130
4.	769	+	218	=	987
5.	740	+	282	=	1.022
6.	761	+	516	=	1.277
7.	327	+	266	=	593
8.	848	+	589	=	1.437
9.	793	+	712	=	1.505
10.	660	+	230	=	890

Oefening 4
1.	648	+	441	=	1.089
2.	858	+	726	=	1.584
3.	705	+	239	=	944
4.	822	+	776	=	1.598
5.	922	+	385	=	1.307
6.	856	+	817	=	1.673
7.	969	+	362	=	1.331
8.	557	+	278	=	835
9.	933	+	612	=	1.545
10.	925	+	404	=	1.329