Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	514	+		=	958
2.	878	+		=	1.202
3.	975	+		=	1.596
4.	979	+		=	1.287
5.	962	+		=	1.572
6.	799	+		=	1.064
7.	613	+		=	1.176
8.	793	+		=	1.258
9.	860	+		=	1.619
10.	848	+		=	1.411

Oefening 2
1.	962	+		=	1.410
2.	939	+		=	1.249
3.	910	+		=	1.727
4.	779	+		=	1.418
5.	759	+		=	1.162
6.	737	+		=	1.310
7.	740	+		=	1.355
8.	293	+		=	513
9.	328	+		=	621
10.	566	+		=	957

Oefening 3
1.	348	+		=	603
2.	763	+		=	1.291
3.	719	+		=	1.256
4.	858	+		=	1.308
5.	707	+		=	1.412
6.	403	+		=	771
7.	746	+		=	1.117
8.	660	+		=	1.280
9.	988	+		=	1.474
10.	768	+		=	1.484

Oefening 4
1.	880	+		=	1.081
2.	819	+		=	1.288
3.	614	+		=	973
4.	807	+		=	1.477
5.	639	+		=	878
6.	359	+		=	608
7.	757	+		=	1.382
8.	587	+		=	912
9.	952	+		=	1.529
10.	774	+		=	1.359

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	514	+	444	=	958
2.	878	+	324	=	1.202
3.	975	+	621	=	1.596
4.	979	+	308	=	1.287
5.	962	+	610	=	1.572
6.	799	+	265	=	1.064
7.	613	+	563	=	1.176
8.	793	+	465	=	1.258
9.	860	+	759	=	1.619
10.	848	+	563	=	1.411

Oefening 2
1.	962	+	448	=	1.410
2.	939	+	310	=	1.249
3.	910	+	817	=	1.727
4.	779	+	639	=	1.418
5.	759	+	403	=	1.162
6.	737	+	573	=	1.310
7.	740	+	615	=	1.355
8.	293	+	220	=	513
9.	328	+	293	=	621
10.	566	+	391	=	957

Oefening 3
1.	348	+	255	=	603
2.	763	+	528	=	1.291
3.	719	+	537	=	1.256
4.	858	+	450	=	1.308
5.	707	+	705	=	1.412
6.	403	+	368	=	771
7.	746	+	371	=	1.117
8.	660	+	620	=	1.280
9.	988	+	486	=	1.474
10.	768	+	716	=	1.484

Oefening 4
1.	880	+	201	=	1.081
2.	819	+	469	=	1.288
3.	614	+	359	=	973
4.	807	+	670	=	1.477
5.	639	+	239	=	878
6.	359	+	249	=	608
7.	757	+	625	=	1.382
8.	587	+	325	=	912
9.	952	+	577	=	1.529
10.	774	+	585	=	1.359