Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	997	+		=	1.670
2.	514	+		=	837
3.	976	+		=	1.425
4.	359	+		=	664
5.	929	+		=	1.671
6.	653	+		=	857
7.	962	+		=	1.789
8.	624	+		=	879
9.	847	+		=	1.569
10.	973	+		=	1.835

Oefening 2
1.	965	+		=	1.349
2.	939	+		=	1.763
3.	548	+		=	927
4.	643	+		=	1.250
5.	612	+		=	965
6.	689	+		=	923
7.	784	+		=	1.248
8.	973	+		=	1.516
9.	542	+		=	901
10.	812	+		=	1.223

Oefening 3
1.	820	+		=	1.567
2.	883	+		=	1.742
3.	559	+		=	780
4.	656	+		=	1.184
5.	763	+		=	1.055
6.	789	+		=	1.354
7.	801	+		=	1.495
8.	526	+		=	936
9.	895	+		=	1.651
10.	984	+		=	1.472

Oefening 4
1.	691	+		=	999
2.	631	+		=	986
3.	605	+		=	1.100
4.	649	+		=	1.068
5.	547	+		=	992
6.	653	+		=	1.007
7.	938	+		=	1.288
8.	489	+		=	875
9.	331	+		=	621
10.	498	+		=	885

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	997	+	673	=	1.670
2.	514	+	323	=	837
3.	976	+	449	=	1.425
4.	359	+	305	=	664
5.	929	+	742	=	1.671
6.	653	+	204	=	857
7.	962	+	827	=	1.789
8.	624	+	255	=	879
9.	847	+	722	=	1.569
10.	973	+	862	=	1.835

Oefening 2
1.	965	+	384	=	1.349
2.	939	+	824	=	1.763
3.	548	+	379	=	927
4.	643	+	607	=	1.250
5.	612	+	353	=	965
6.	689	+	234	=	923
7.	784	+	464	=	1.248
8.	973	+	543	=	1.516
9.	542	+	359	=	901
10.	812	+	411	=	1.223

Oefening 3
1.	820	+	747	=	1.567
2.	883	+	859	=	1.742
3.	559	+	221	=	780
4.	656	+	528	=	1.184
5.	763	+	292	=	1.055
6.	789	+	565	=	1.354
7.	801	+	694	=	1.495
8.	526	+	410	=	936
9.	895	+	756	=	1.651
10.	984	+	488	=	1.472

Oefening 4
1.	691	+	308	=	999
2.	631	+	355	=	986
3.	605	+	495	=	1.100
4.	649	+	419	=	1.068
5.	547	+	445	=	992
6.	653	+	354	=	1.007
7.	938	+	350	=	1.288
8.	489	+	386	=	875
9.	331	+	290	=	621
10.	498	+	387	=	885