Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	416	+		=	787
2.	851	+		=	1.224
3.	785	+		=	1.232
4.	708	+		=	975
5.	887	+		=	1.136
6.	965	+		=	1.807
7.	887	+		=	1.320
8.	244	+		=	463
9.	811	+		=	1.236
10.	340	+		=	637

Oefening 2
1.	912	+		=	1.308
2.	684	+		=	1.127
3.	614	+		=	1.067
4.	881	+		=	1.529
5.	669	+		=	1.227
6.	838	+		=	1.168
7.	514	+		=	901
8.	805	+		=	1.530
9.	906	+		=	1.245
10.	991	+		=	1.377

Oefening 3
1.	707	+		=	1.222
2.	871	+		=	1.472
3.	965	+		=	1.603
4.	663	+		=	1.240
5.	786	+		=	1.465
6.	580	+		=	1.096
7.	400	+		=	729
8.	507	+		=	979
9.	466	+		=	822
10.	889	+		=	1.435

Oefening 4
1.	775	+		=	1.130
2.	996	+		=	1.773
3.	750	+		=	1.331
4.	961	+		=	1.561
5.	953	+		=	1.284
6.	908	+		=	1.369
7.	637	+		=	843
8.	898	+		=	1.425
9.	825	+		=	1.636
10.	811	+		=	1.040

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	416	+	371	=	787
2.	851	+	373	=	1.224
3.	785	+	447	=	1.232
4.	708	+	267	=	975
5.	887	+	249	=	1.136
6.	965	+	842	=	1.807
7.	887	+	433	=	1.320
8.	244	+	219	=	463
9.	811	+	425	=	1.236
10.	340	+	297	=	637

Oefening 2
1.	912	+	396	=	1.308
2.	684	+	443	=	1.127
3.	614	+	453	=	1.067
4.	881	+	648	=	1.529
5.	669	+	558	=	1.227
6.	838	+	330	=	1.168
7.	514	+	387	=	901
8.	805	+	725	=	1.530
9.	906	+	339	=	1.245
10.	991	+	386	=	1.377

Oefening 3
1.	707	+	515	=	1.222
2.	871	+	601	=	1.472
3.	965	+	638	=	1.603
4.	663	+	577	=	1.240
5.	786	+	679	=	1.465
6.	580	+	516	=	1.096
7.	400	+	329	=	729
8.	507	+	472	=	979
9.	466	+	356	=	822
10.	889	+	546	=	1.435

Oefening 4
1.	775	+	355	=	1.130
2.	996	+	777	=	1.773
3.	750	+	581	=	1.331
4.	961	+	600	=	1.561
5.	953	+	331	=	1.284
6.	908	+	461	=	1.369
7.	637	+	206	=	843
8.	898	+	527	=	1.425
9.	825	+	811	=	1.636
10.	811	+	229	=	1.040