Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	581	+		=	982
2.	969	+		=	1.244
3.	927	+		=	1.604
4.	359	+		=	603
5.	741	+		=	1.065
6.	998	+		=	1.725
7.	958	+		=	1.255
8.	932	+		=	1.639
9.	942	+		=	1.840
10.	903	+		=	1.367

Oefening 2
1.	920	+		=	1.520
2.	881	+		=	1.696
3.	433	+		=	781
4.	985	+		=	1.575
5.	836	+		=	1.454
6.	805	+		=	1.208
7.	831	+		=	1.041
8.	837	+		=	1.529
9.	421	+		=	663
10.	552	+		=	965

Oefening 3
1.	941	+		=	1.355
2.	843	+		=	1.366
3.	864	+		=	1.422
4.	908	+		=	1.805
5.	553	+		=	795
6.	808	+		=	1.069
7.	940	+		=	1.213
8.	853	+		=	1.353
9.	929	+		=	1.183
10.	454	+		=	719

Oefening 4
1.	848	+		=	1.426
2.	683	+		=	1.157
3.	524	+		=	734
4.	880	+		=	1.576
5.	594	+		=	845
6.	819	+		=	1.611
7.	623	+		=	953
8.	567	+		=	1.128
9.	457	+		=	845
10.	905	+		=	1.529

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	581	+	401	=	982
2.	969	+	275	=	1.244
3.	927	+	677	=	1.604
4.	359	+	244	=	603
5.	741	+	324	=	1.065
6.	998	+	727	=	1.725
7.	958	+	297	=	1.255
8.	932	+	707	=	1.639
9.	942	+	898	=	1.840
10.	903	+	464	=	1.367

Oefening 2
1.	920	+	600	=	1.520
2.	881	+	815	=	1.696
3.	433	+	348	=	781
4.	985	+	590	=	1.575
5.	836	+	618	=	1.454
6.	805	+	403	=	1.208
7.	831	+	210	=	1.041
8.	837	+	692	=	1.529
9.	421	+	242	=	663
10.	552	+	413	=	965

Oefening 3
1.	941	+	414	=	1.355
2.	843	+	523	=	1.366
3.	864	+	558	=	1.422
4.	908	+	897	=	1.805
5.	553	+	242	=	795
6.	808	+	261	=	1.069
7.	940	+	273	=	1.213
8.	853	+	500	=	1.353
9.	929	+	254	=	1.183
10.	454	+	265	=	719

Oefening 4
1.	848	+	578	=	1.426
2.	683	+	474	=	1.157
3.	524	+	210	=	734
4.	880	+	696	=	1.576
5.	594	+	251	=	845
6.	819	+	792	=	1.611
7.	623	+	330	=	953
8.	567	+	561	=	1.128
9.	457	+	388	=	845
10.	905	+	624	=	1.529