Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	718	+		=	970
2.	379	+		=	740
3.	985	+		=	1.854
4.	499	+		=	958
5.	375	+		=	579
6.	792	+		=	1.345
7.	727	+		=	971
8.	602	+		=	1.001
9.	871	+		=	1.479
10.	784	+		=	1.363

Oefening 2
1.	778	+		=	1.205
2.	951	+		=	1.488
3.	603	+		=	1.100
4.	351	+		=	594
5.	935	+		=	1.815
6.	770	+		=	1.306
7.	727	+		=	1.369
8.	892	+		=	1.384
9.	821	+		=	1.131
10.	858	+		=	1.091

Oefening 3
1.	375	+		=	674
2.	759	+		=	1.416
3.	624	+		=	1.196
4.	478	+		=	789
5.	857	+		=	1.445
6.	894	+		=	1.123
7.	372	+		=	623
8.	916	+		=	1.516
9.	928	+		=	1.474
10.	908	+		=	1.118

Oefening 4
1.	710	+		=	958
2.	617	+		=	984
3.	756	+		=	1.496
4.	987	+		=	1.799
5.	576	+		=	1.100
6.	814	+		=	1.272
7.	470	+		=	821
8.	956	+		=	1.260
9.	911	+		=	1.242
10.	833	+		=	1.317

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	718	+	252	=	970
2.	379	+	361	=	740
3.	985	+	869	=	1.854
4.	499	+	459	=	958
5.	375	+	204	=	579
6.	792	+	553	=	1.345
7.	727	+	244	=	971
8.	602	+	399	=	1.001
9.	871	+	608	=	1.479
10.	784	+	579	=	1.363

Oefening 2
1.	778	+	427	=	1.205
2.	951	+	537	=	1.488
3.	603	+	497	=	1.100
4.	351	+	243	=	594
5.	935	+	880	=	1.815
6.	770	+	536	=	1.306
7.	727	+	642	=	1.369
8.	892	+	492	=	1.384
9.	821	+	310	=	1.131
10.	858	+	233	=	1.091

Oefening 3
1.	375	+	299	=	674
2.	759	+	657	=	1.416
3.	624	+	572	=	1.196
4.	478	+	311	=	789
5.	857	+	588	=	1.445
6.	894	+	229	=	1.123
7.	372	+	251	=	623
8.	916	+	600	=	1.516
9.	928	+	546	=	1.474
10.	908	+	210	=	1.118

Oefening 4
1.	710	+	248	=	958
2.	617	+	367	=	984
3.	756	+	740	=	1.496
4.	987	+	812	=	1.799
5.	576	+	524	=	1.100
6.	814	+	458	=	1.272
7.	470	+	351	=	821
8.	956	+	304	=	1.260
9.	911	+	331	=	1.242
10.	833	+	484	=	1.317