Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	368	+		=	623
2.	972	+		=	1.634
3.	667	+		=	1.261
4.	823	+		=	1.498
5.	549	+		=	752
6.	315	+		=	606
7.	975	+		=	1.425
8.	390	+		=	610
9.	410	+		=	680
10.	877	+		=	1.700

Oefening 2
1.	618	+		=	1.184
2.	917	+		=	1.430
3.	986	+		=	1.909
4.	661	+		=	993
5.	587	+		=	1.057
6.	398	+		=	654
7.	544	+		=	845
8.	883	+		=	1.442
9.	665	+		=	927
10.	738	+		=	1.121

Oefening 3
1.	666	+		=	1.228
2.	945	+		=	1.751
3.	899	+		=	1.449
4.	774	+		=	1.278
5.	974	+		=	1.676
6.	623	+		=	871
7.	898	+		=	1.323
8.	997	+		=	1.568
9.	950	+		=	1.386
10.	585	+		=	1.096

Oefening 4
1.	941	+		=	1.733
2.	900	+		=	1.554
3.	634	+		=	902
4.	522	+		=	945
5.	852	+		=	1.091
6.	717	+		=	1.208
7.	855	+		=	1.322
8.	911	+		=	1.639
9.	367	+		=	586
10.	907	+		=	1.391

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	368	+	255	=	623
2.	972	+	662	=	1.634
3.	667	+	594	=	1.261
4.	823	+	675	=	1.498
5.	549	+	203	=	752
6.	315	+	291	=	606
7.	975	+	450	=	1.425
8.	390	+	220	=	610
9.	410	+	270	=	680
10.	877	+	823	=	1.700

Oefening 2
1.	618	+	566	=	1.184
2.	917	+	513	=	1.430
3.	986	+	923	=	1.909
4.	661	+	332	=	993
5.	587	+	470	=	1.057
6.	398	+	256	=	654
7.	544	+	301	=	845
8.	883	+	559	=	1.442
9.	665	+	262	=	927
10.	738	+	383	=	1.121

Oefening 3
1.	666	+	562	=	1.228
2.	945	+	806	=	1.751
3.	899	+	550	=	1.449
4.	774	+	504	=	1.278
5.	974	+	702	=	1.676
6.	623	+	248	=	871
7.	898	+	425	=	1.323
8.	997	+	571	=	1.568
9.	950	+	436	=	1.386
10.	585	+	511	=	1.096

Oefening 4
1.	941	+	792	=	1.733
2.	900	+	654	=	1.554
3.	634	+	268	=	902
4.	522	+	423	=	945
5.	852	+	239	=	1.091
6.	717	+	491	=	1.208
7.	855	+	467	=	1.322
8.	911	+	728	=	1.639
9.	367	+	219	=	586
10.	907	+	484	=	1.391