Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	809	+		=	1.436
2.	939	+		=	1.617
3.	883	+		=	1.143
4.	384	+		=	748
5.	842	+		=	1.466
6.	699	+		=	1.135
7.	882	+		=	1.623
8.	871	+		=	1.479
9.	916	+		=	1.445
10.	684	+		=	1.231

Oefening 2
1.	746	+		=	1.197
2.	751	+		=	966
3.	396	+		=	631
4.	925	+		=	1.155
5.	965	+		=	1.274
6.	488	+		=	785
7.	877	+		=	1.388
8.	979	+		=	1.535
9.	981	+		=	1.779
10.	985	+		=	1.874

Oefening 3
1.	725	+		=	1.302
2.	770	+		=	1.460
3.	800	+		=	1.210
4.	907	+		=	1.373
5.	666	+		=	1.070
6.	698	+		=	1.213
7.	348	+		=	648
8.	890	+		=	1.169
9.	781	+		=	1.394
10.	978	+		=	1.257

Oefening 4
1.	878	+		=	1.641
2.	980	+		=	1.259
3.	779	+		=	1.214
4.	645	+		=	1.071
5.	879	+		=	1.624
6.	903	+		=	1.525
7.	929	+		=	1.851
8.	891	+		=	1.290
9.	907	+		=	1.142
10.	938	+		=	1.572

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	809	+	627	=	1.436
2.	939	+	678	=	1.617
3.	883	+	260	=	1.143
4.	384	+	364	=	748
5.	842	+	624	=	1.466
6.	699	+	436	=	1.135
7.	882	+	741	=	1.623
8.	871	+	608	=	1.479
9.	916	+	529	=	1.445
10.	684	+	547	=	1.231

Oefening 2
1.	746	+	451	=	1.197
2.	751	+	215	=	966
3.	396	+	235	=	631
4.	925	+	230	=	1.155
5.	965	+	309	=	1.274
6.	488	+	297	=	785
7.	877	+	511	=	1.388
8.	979	+	556	=	1.535
9.	981	+	798	=	1.779
10.	985	+	889	=	1.874

Oefening 3
1.	725	+	577	=	1.302
2.	770	+	690	=	1.460
3.	800	+	410	=	1.210
4.	907	+	466	=	1.373
5.	666	+	404	=	1.070
6.	698	+	515	=	1.213
7.	348	+	300	=	648
8.	890	+	279	=	1.169
9.	781	+	613	=	1.394
10.	978	+	279	=	1.257

Oefening 4
1.	878	+	763	=	1.641
2.	980	+	279	=	1.259
3.	779	+	435	=	1.214
4.	645	+	426	=	1.071
5.	879	+	745	=	1.624
6.	903	+	622	=	1.525
7.	929	+	922	=	1.851
8.	891	+	399	=	1.290
9.	907	+	235	=	1.142
10.	938	+	634	=	1.572