Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	806	+		=	1.283
2.	323	+		=	596
3.	886	+		=	1.644
4.	569	+		=	776
5.	874	+		=	1.659
6.	691	+		=	1.247
7.	743	+		=	1.359
8.	531	+		=	1.045
9.	543	+		=	962
10.	696	+		=	1.174

Oefening 2
1.	906	+		=	1.647
2.	457	+		=	902
3.	934	+		=	1.426
4.	621	+		=	1.047
5.	697	+		=	1.105
6.	556	+		=	840
7.	840	+		=	1.530
8.	944	+		=	1.772
9.	551	+		=	1.010
10.	772	+		=	1.426

Oefening 3
1.	765	+		=	1.315
2.	835	+		=	1.098
3.	984	+		=	1.565
4.	454	+		=	685
5.	988	+		=	1.188
6.	733	+		=	1.015
7.	868	+		=	1.233
8.	515	+		=	820
9.	782	+		=	1.000
10.	774	+		=	1.342

Oefening 4
1.	681	+		=	886
2.	624	+		=	1.110
3.	927	+		=	1.675
4.	905	+		=	1.258
5.	631	+		=	913
6.	729	+		=	1.125
7.	835	+		=	1.402
8.	995	+		=	1.272
9.	871	+		=	1.127
10.	909	+		=	1.137

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	806	+	477	=	1.283
2.	323	+	273	=	596
3.	886	+	758	=	1.644
4.	569	+	207	=	776
5.	874	+	785	=	1.659
6.	691	+	556	=	1.247
7.	743	+	616	=	1.359
8.	531	+	514	=	1.045
9.	543	+	419	=	962
10.	696	+	478	=	1.174

Oefening 2
1.	906	+	741	=	1.647
2.	457	+	445	=	902
3.	934	+	492	=	1.426
4.	621	+	426	=	1.047
5.	697	+	408	=	1.105
6.	556	+	284	=	840
7.	840	+	690	=	1.530
8.	944	+	828	=	1.772
9.	551	+	459	=	1.010
10.	772	+	654	=	1.426

Oefening 3
1.	765	+	550	=	1.315
2.	835	+	263	=	1.098
3.	984	+	581	=	1.565
4.	454	+	231	=	685
5.	988	+	200	=	1.188
6.	733	+	282	=	1.015
7.	868	+	365	=	1.233
8.	515	+	305	=	820
9.	782	+	218	=	1.000
10.	774	+	568	=	1.342

Oefening 4
1.	681	+	205	=	886
2.	624	+	486	=	1.110
3.	927	+	748	=	1.675
4.	905	+	353	=	1.258
5.	631	+	282	=	913
6.	729	+	396	=	1.125
7.	835	+	567	=	1.402
8.	995	+	277	=	1.272
9.	871	+	256	=	1.127
10.	909	+	228	=	1.137