Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	428	+		=	680
2.	493	+		=	806
3.	930	+		=	1.744
4.	980	+		=	1.687
5.	371	+		=	701
6.	986	+		=	1.645
7.	459	+		=	734
8.	849	+		=	1.692
9.	344	+		=	657
10.	617	+		=	1.141

Oefening 2
1.	760	+		=	1.100
2.	881	+		=	1.280
3.	589	+		=	879
4.	629	+		=	1.203
5.	562	+		=	1.089
6.	715	+		=	927
7.	711	+		=	953
8.	628	+		=	1.094
9.	652	+		=	1.170
10.	964	+		=	1.391

Oefening 3
1.	991	+		=	1.346
2.	607	+		=	1.174
3.	528	+		=	871
4.	945	+		=	1.147
5.	706	+		=	1.292
6.	696	+		=	1.354
7.	325	+		=	558
8.	659	+		=	1.182
9.	959	+		=	1.467
10.	862	+		=	1.275

Oefening 4
1.	807	+		=	1.202
2.	896	+		=	1.500
3.	390	+		=	635
4.	779	+		=	1.473
5.	775	+		=	995
6.	526	+		=	846
7.	409	+		=	776
8.	981	+		=	1.428
9.	821	+		=	1.076
10.	706	+		=	912

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	428	+	252	=	680
2.	493	+	313	=	806
3.	930	+	814	=	1.744
4.	980	+	707	=	1.687
5.	371	+	330	=	701
6.	986	+	659	=	1.645
7.	459	+	275	=	734
8.	849	+	843	=	1.692
9.	344	+	313	=	657
10.	617	+	524	=	1.141

Oefening 2
1.	760	+	340	=	1.100
2.	881	+	399	=	1.280
3.	589	+	290	=	879
4.	629	+	574	=	1.203
5.	562	+	527	=	1.089
6.	715	+	212	=	927
7.	711	+	242	=	953
8.	628	+	466	=	1.094
9.	652	+	518	=	1.170
10.	964	+	427	=	1.391

Oefening 3
1.	991	+	355	=	1.346
2.	607	+	567	=	1.174
3.	528	+	343	=	871
4.	945	+	202	=	1.147
5.	706	+	586	=	1.292
6.	696	+	658	=	1.354
7.	325	+	233	=	558
8.	659	+	523	=	1.182
9.	959	+	508	=	1.467
10.	862	+	413	=	1.275

Oefening 4
1.	807	+	395	=	1.202
2.	896	+	604	=	1.500
3.	390	+	245	=	635
4.	779	+	694	=	1.473
5.	775	+	220	=	995
6.	526	+	320	=	846
7.	409	+	367	=	776
8.	981	+	447	=	1.428
9.	821	+	255	=	1.076
10.	706	+	206	=	912