Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	501	+		=	799
2.	627	+		=	1.222
3.	848	+		=	1.481
4.	972	+		=	1.450
5.	846	+		=	1.303
6.	824	+		=	1.620
7.	706	+		=	1.129
8.	907	+		=	1.728
9.	885	+		=	1.627
10.	896	+		=	1.227

Oefening 2
1.	573	+		=	923
2.	476	+		=	745
3.	871	+		=	1.555
4.	919	+		=	1.783
5.	791	+		=	1.418
6.	291	+		=	514
7.	420	+		=	648
8.	860	+		=	1.334
9.	908	+		=	1.316
10.	686	+		=	1.360

Oefening 3
1.	764	+		=	1.129
2.	903	+		=	1.281
3.	524	+		=	987
4.	845	+		=	1.277
5.	656	+		=	1.099
6.	898	+		=	1.772
7.	860	+		=	1.679
8.	982	+		=	1.583
9.	712	+		=	1.027
10.	937	+		=	1.647

Oefening 4
1.	842	+		=	1.242
2.	258	+		=	489
3.	829	+		=	1.499
4.	512	+		=	801
5.	927	+		=	1.562
6.	845	+		=	1.098
7.	923	+		=	1.712
8.	613	+		=	1.108
9.	993	+		=	1.715
10.	646	+		=	900

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	501	+	298	=	799
2.	627	+	595	=	1.222
3.	848	+	633	=	1.481
4.	972	+	478	=	1.450
5.	846	+	457	=	1.303
6.	824	+	796	=	1.620
7.	706	+	423	=	1.129
8.	907	+	821	=	1.728
9.	885	+	742	=	1.627
10.	896	+	331	=	1.227

Oefening 2
1.	573	+	350	=	923
2.	476	+	269	=	745
3.	871	+	684	=	1.555
4.	919	+	864	=	1.783
5.	791	+	627	=	1.418
6.	291	+	223	=	514
7.	420	+	228	=	648
8.	860	+	474	=	1.334
9.	908	+	408	=	1.316
10.	686	+	674	=	1.360

Oefening 3
1.	764	+	365	=	1.129
2.	903	+	378	=	1.281
3.	524	+	463	=	987
4.	845	+	432	=	1.277
5.	656	+	443	=	1.099
6.	898	+	874	=	1.772
7.	860	+	819	=	1.679
8.	982	+	601	=	1.583
9.	712	+	315	=	1.027
10.	937	+	710	=	1.647

Oefening 4
1.	842	+	400	=	1.242
2.	258	+	231	=	489
3.	829	+	670	=	1.499
4.	512	+	289	=	801
5.	927	+	635	=	1.562
6.	845	+	253	=	1.098
7.	923	+	789	=	1.712
8.	613	+	495	=	1.108
9.	993	+	722	=	1.715
10.	646	+	254	=	900