Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	684	+		=	1.155
2.	716	+		=	1.024
3.	694	+		=	967
4.	642	+		=	912
5.	828	+		=	1.061
6.	678	+		=	917
7.	509	+		=	969
8.	764	+		=	1.252
9.	541	+		=	997
10.	380	+		=	620

Oefening 2
1.	874	+		=	1.372
2.	645	+		=	1.247
3.	602	+		=	830
4.	765	+		=	1.198
5.	519	+		=	768
6.	486	+		=	965
7.	900	+		=	1.639
8.	477	+		=	948
9.	886	+		=	1.149
10.	758	+		=	1.481

Oefening 3
1.	927	+		=	1.694
2.	699	+		=	1.311
3.	804	+		=	1.148
4.	913	+		=	1.282
5.	824	+		=	1.235
6.	850	+		=	1.176
7.	662	+		=	1.126
8.	721	+		=	1.327
9.	548	+		=	821
10.	778	+		=	1.547

Oefening 4
1.	547	+		=	760
2.	984	+		=	1.523
3.	944	+		=	1.356
4.	926	+		=	1.137
5.	728	+		=	995
6.	781	+		=	1.551
7.	248	+		=	448
8.	263	+		=	499
9.	898	+		=	1.715
10.	755	+		=	1.240

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	684	+	471	=	1.155
2.	716	+	308	=	1.024
3.	694	+	273	=	967
4.	642	+	270	=	912
5.	828	+	233	=	1.061
6.	678	+	239	=	917
7.	509	+	460	=	969
8.	764	+	488	=	1.252
9.	541	+	456	=	997
10.	380	+	240	=	620

Oefening 2
1.	874	+	498	=	1.372
2.	645	+	602	=	1.247
3.	602	+	228	=	830
4.	765	+	433	=	1.198
5.	519	+	249	=	768
6.	486	+	479	=	965
7.	900	+	739	=	1.639
8.	477	+	471	=	948
9.	886	+	263	=	1.149
10.	758	+	723	=	1.481

Oefening 3
1.	927	+	767	=	1.694
2.	699	+	612	=	1.311
3.	804	+	344	=	1.148
4.	913	+	369	=	1.282
5.	824	+	411	=	1.235
6.	850	+	326	=	1.176
7.	662	+	464	=	1.126
8.	721	+	606	=	1.327
9.	548	+	273	=	821
10.	778	+	769	=	1.547

Oefening 4
1.	547	+	213	=	760
2.	984	+	539	=	1.523
3.	944	+	412	=	1.356
4.	926	+	211	=	1.137
5.	728	+	267	=	995
6.	781	+	770	=	1.551
7.	248	+	200	=	448
8.	263	+	236	=	499
9.	898	+	817	=	1.715
10.	755	+	485	=	1.240