Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	454	+		=	685
2.	979	+		=	1.912
3.	856	+		=	1.186
4.	869	+		=	1.295
5.	716	+		=	1.285
6.	923	+		=	1.181
7.	640	+		=	943
8.	911	+		=	1.202
9.	385	+		=	664
10.	912	+		=	1.555

Oefening 2
1.	383	+		=	643
2.	894	+		=	1.466
3.	751	+		=	1.153
4.	717	+		=	1.055
5.	937	+		=	1.543
6.	751	+		=	1.145
7.	996	+		=	1.269
8.	702	+		=	997
9.	359	+		=	661
10.	435	+		=	845

Oefening 3
1.	654	+		=	860
2.	333	+		=	663
3.	658	+		=	1.207
4.	906	+		=	1.293
5.	728	+		=	1.280
6.	831	+		=	1.229
7.	805	+		=	1.182
8.	699	+		=	1.340
9.	996	+		=	1.445
10.	584	+		=	837

Oefening 4
1.	789	+		=	1.230
2.	468	+		=	927
3.	953	+		=	1.390
4.	495	+		=	804
5.	688	+		=	1.004
6.	578	+		=	913
7.	716	+		=	1.074
8.	850	+		=	1.417
9.	293	+		=	577
10.	554	+		=	1.074

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	454	+	231	=	685
2.	979	+	933	=	1.912
3.	856	+	330	=	1.186
4.	869	+	426	=	1.295
5.	716	+	569	=	1.285
6.	923	+	258	=	1.181
7.	640	+	303	=	943
8.	911	+	291	=	1.202
9.	385	+	279	=	664
10.	912	+	643	=	1.555

Oefening 2
1.	383	+	260	=	643
2.	894	+	572	=	1.466
3.	751	+	402	=	1.153
4.	717	+	338	=	1.055
5.	937	+	606	=	1.543
6.	751	+	394	=	1.145
7.	996	+	273	=	1.269
8.	702	+	295	=	997
9.	359	+	302	=	661
10.	435	+	410	=	845

Oefening 3
1.	654	+	206	=	860
2.	333	+	330	=	663
3.	658	+	549	=	1.207
4.	906	+	387	=	1.293
5.	728	+	552	=	1.280
6.	831	+	398	=	1.229
7.	805	+	377	=	1.182
8.	699	+	641	=	1.340
9.	996	+	449	=	1.445
10.	584	+	253	=	837

Oefening 4
1.	789	+	441	=	1.230
2.	468	+	459	=	927
3.	953	+	437	=	1.390
4.	495	+	309	=	804
5.	688	+	316	=	1.004
6.	578	+	335	=	913
7.	716	+	358	=	1.074
8.	850	+	567	=	1.417
9.	293	+	284	=	577
10.	554	+	520	=	1.074