Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	659	+		=	982
2.	934	+		=	1.550
3.	817	+		=	1.069
4.	968	+		=	1.796
5.	817	+		=	1.291
6.	810	+		=	1.318
7.	787	+		=	1.174
8.	501	+		=	896
9.	796	+		=	1.403
10.	506	+		=	820

Oefening 2
1.	632	+		=	1.243
2.	732	+		=	1.372
3.	599	+		=	1.120
4.	784	+		=	1.410
5.	598	+		=	1.098
6.	867	+		=	1.597
7.	934	+		=	1.795
8.	979	+		=	1.241
9.	902	+		=	1.550
10.	987	+		=	1.305

Oefening 3
1.	528	+		=	883
2.	625	+		=	1.229
3.	760	+		=	1.022
4.	867	+		=	1.174
5.	357	+		=	645
6.	987	+		=	1.608
7.	489	+		=	779
8.	859	+		=	1.352
9.	875	+		=	1.606
10.	944	+		=	1.835

Oefening 4
1.	910	+		=	1.355
2.	722	+		=	1.147
3.	796	+		=	1.448
4.	595	+		=	1.084
5.	989	+		=	1.687
6.	336	+		=	584
7.	356	+		=	629
8.	901	+		=	1.603
9.	275	+		=	482
10.	909	+		=	1.341

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	659	+	323	=	982
2.	934	+	616	=	1.550
3.	817	+	252	=	1.069
4.	968	+	828	=	1.796
5.	817	+	474	=	1.291
6.	810	+	508	=	1.318
7.	787	+	387	=	1.174
8.	501	+	395	=	896
9.	796	+	607	=	1.403
10.	506	+	314	=	820

Oefening 2
1.	632	+	611	=	1.243
2.	732	+	640	=	1.372
3.	599	+	521	=	1.120
4.	784	+	626	=	1.410
5.	598	+	500	=	1.098
6.	867	+	730	=	1.597
7.	934	+	861	=	1.795
8.	979	+	262	=	1.241
9.	902	+	648	=	1.550
10.	987	+	318	=	1.305

Oefening 3
1.	528	+	355	=	883
2.	625	+	604	=	1.229
3.	760	+	262	=	1.022
4.	867	+	307	=	1.174
5.	357	+	288	=	645
6.	987	+	621	=	1.608
7.	489	+	290	=	779
8.	859	+	493	=	1.352
9.	875	+	731	=	1.606
10.	944	+	891	=	1.835

Oefening 4
1.	910	+	445	=	1.355
2.	722	+	425	=	1.147
3.	796	+	652	=	1.448
4.	595	+	489	=	1.084
5.	989	+	698	=	1.687
6.	336	+	248	=	584
7.	356	+	273	=	629
8.	901	+	702	=	1.603
9.	275	+	207	=	482
10.	909	+	432	=	1.341