Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	473	+		=	723
2.	803	+		=	1.528
3.	277	+		=	550
4.	562	+		=	1.017
5.	793	+		=	1.533
6.	430	+		=	755
7.	927	+		=	1.654
8.	751	+		=	1.020
9.	962	+		=	1.654
10.	993	+		=	1.312

Oefening 2
1.	984	+		=	1.390
2.	806	+		=	1.039
3.	977	+		=	1.844
4.	876	+		=	1.638
5.	890	+		=	1.496
6.	979	+		=	1.479
7.	752	+		=	1.005
8.	723	+		=	989
9.	999	+		=	1.428
10.	354	+		=	633

Oefening 3
1.	740	+		=	955
2.	698	+		=	909
3.	933	+		=	1.713
4.	726	+		=	1.332
5.	591	+		=	1.155
6.	740	+		=	1.407
7.	659	+		=	918
8.	536	+		=	932
9.	747	+		=	1.449
10.	771	+		=	1.317

Oefening 4
1.	539	+		=	1.005
2.	663	+		=	1.006
3.	722	+		=	1.263
4.	661	+		=	1.062
5.	589	+		=	1.119
6.	870	+		=	1.621
7.	764	+		=	1.427
8.	936	+		=	1.218
9.	972	+		=	1.211
10.	803	+		=	1.527

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	473	+	250	=	723
2.	803	+	725	=	1.528
3.	277	+	273	=	550
4.	562	+	455	=	1.017
5.	793	+	740	=	1.533
6.	430	+	325	=	755
7.	927	+	727	=	1.654
8.	751	+	269	=	1.020
9.	962	+	692	=	1.654
10.	993	+	319	=	1.312

Oefening 2
1.	984	+	406	=	1.390
2.	806	+	233	=	1.039
3.	977	+	867	=	1.844
4.	876	+	762	=	1.638
5.	890	+	606	=	1.496
6.	979	+	500	=	1.479
7.	752	+	253	=	1.005
8.	723	+	266	=	989
9.	999	+	429	=	1.428
10.	354	+	279	=	633

Oefening 3
1.	740	+	215	=	955
2.	698	+	211	=	909
3.	933	+	780	=	1.713
4.	726	+	606	=	1.332
5.	591	+	564	=	1.155
6.	740	+	667	=	1.407
7.	659	+	259	=	918
8.	536	+	396	=	932
9.	747	+	702	=	1.449
10.	771	+	546	=	1.317

Oefening 4
1.	539	+	466	=	1.005
2.	663	+	343	=	1.006
3.	722	+	541	=	1.263
4.	661	+	401	=	1.062
5.	589	+	530	=	1.119
6.	870	+	751	=	1.621
7.	764	+	663	=	1.427
8.	936	+	282	=	1.218
9.	972	+	239	=	1.211
10.	803	+	724	=	1.527