Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	516	+		=	955
2.	845	+		=	1.290
3.	392	+		=	702
4.	926	+		=	1.214
5.	723	+		=	1.186
6.	851	+		=	1.335
7.	556	+		=	820
8.	919	+		=	1.433
9.	974	+		=	1.927
10.	827	+		=	1.124

Oefening 2
1.	705	+		=	1.151
2.	907	+		=	1.323
3.	831	+		=	1.539
4.	542	+		=	1.025
5.	841	+		=	1.202
6.	982	+		=	1.612
7.	636	+		=	871
8.	718	+		=	1.313
9.	930	+		=	1.665
10.	593	+		=	1.071

Oefening 3
1.	707	+		=	981
2.	811	+		=	1.207
3.	746	+		=	1.105
4.	946	+		=	1.696
5.	800	+		=	1.215
6.	648	+		=	967
7.	573	+		=	822
8.	753	+		=	1.339
9.	949	+		=	1.886
10.	993	+		=	1.706

Oefening 4
1.	890	+		=	1.496
2.	959	+		=	1.637
3.	695	+		=	1.179
4.	363	+		=	635
5.	579	+		=	827
6.	960	+		=	1.894
7.	817	+		=	1.309
8.	922	+		=	1.621
9.	968	+		=	1.469
10.	248	+		=	453

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	516	+	439	=	955
2.	845	+	445	=	1.290
3.	392	+	310	=	702
4.	926	+	288	=	1.214
5.	723	+	463	=	1.186
6.	851	+	484	=	1.335
7.	556	+	264	=	820
8.	919	+	514	=	1.433
9.	974	+	953	=	1.927
10.	827	+	297	=	1.124

Oefening 2
1.	705	+	446	=	1.151
2.	907	+	416	=	1.323
3.	831	+	708	=	1.539
4.	542	+	483	=	1.025
5.	841	+	361	=	1.202
6.	982	+	630	=	1.612
7.	636	+	235	=	871
8.	718	+	595	=	1.313
9.	930	+	735	=	1.665
10.	593	+	478	=	1.071

Oefening 3
1.	707	+	274	=	981
2.	811	+	396	=	1.207
3.	746	+	359	=	1.105
4.	946	+	750	=	1.696
5.	800	+	415	=	1.215
6.	648	+	319	=	967
7.	573	+	249	=	822
8.	753	+	586	=	1.339
9.	949	+	937	=	1.886
10.	993	+	713	=	1.706

Oefening 4
1.	890	+	606	=	1.496
2.	959	+	678	=	1.637
3.	695	+	484	=	1.179
4.	363	+	272	=	635
5.	579	+	248	=	827
6.	960	+	934	=	1.894
7.	817	+	492	=	1.309
8.	922	+	699	=	1.621
9.	968	+	501	=	1.469
10.	248	+	205	=	453