Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	529	+		=	731
2.	891	+		=	1.764
3.	803	+		=	1.060
4.	631	+		=	1.158
5.	627	+		=	827
6.	854	+		=	1.261
7.	692	+		=	1.079
8.	945	+		=	1.863
9.	572	+		=	965
10.	944	+		=	1.326

Oefening 2
1.	853	+		=	1.354
2.	884	+		=	1.173
3.	881	+		=	1.509
4.	697	+		=	1.252
5.	855	+		=	1.422
6.	964	+		=	1.450
7.	471	+		=	812
8.	982	+		=	1.241
9.	547	+		=	1.016
10.	445	+		=	870

Oefening 3
1.	597	+		=	1.183
2.	865	+		=	1.275
3.	648	+		=	942
4.	746	+		=	1.076
5.	470	+		=	689
6.	768	+		=	1.380
7.	958	+		=	1.487
8.	888	+		=	1.189
9.	559	+		=	1.084
10.	328	+		=	611

Oefening 4
1.	875	+		=	1.146
2.	788	+		=	1.309
3.	896	+		=	1.377
4.	722	+		=	1.046
5.	946	+		=	1.585
6.	455	+		=	885
7.	578	+		=	833
8.	680	+		=	918
9.	999	+		=	1.322
10.	546	+		=	1.032

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	529	+	202	=	731
2.	891	+	873	=	1.764
3.	803	+	257	=	1.060
4.	631	+	527	=	1.158
5.	627	+	200	=	827
6.	854	+	407	=	1.261
7.	692	+	387	=	1.079
8.	945	+	918	=	1.863
9.	572	+	393	=	965
10.	944	+	382	=	1.326

Oefening 2
1.	853	+	501	=	1.354
2.	884	+	289	=	1.173
3.	881	+	628	=	1.509
4.	697	+	555	=	1.252
5.	855	+	567	=	1.422
6.	964	+	486	=	1.450
7.	471	+	341	=	812
8.	982	+	259	=	1.241
9.	547	+	469	=	1.016
10.	445	+	425	=	870

Oefening 3
1.	597	+	586	=	1.183
2.	865	+	410	=	1.275
3.	648	+	294	=	942
4.	746	+	330	=	1.076
5.	470	+	219	=	689
6.	768	+	612	=	1.380
7.	958	+	529	=	1.487
8.	888	+	301	=	1.189
9.	559	+	525	=	1.084
10.	328	+	283	=	611

Oefening 4
1.	875	+	271	=	1.146
2.	788	+	521	=	1.309
3.	896	+	481	=	1.377
4.	722	+	324	=	1.046
5.	946	+	639	=	1.585
6.	455	+	430	=	885
7.	578	+	255	=	833
8.	680	+	238	=	918
9.	999	+	323	=	1.322
10.	546	+	486	=	1.032