Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	490	+		=	856
2.	996	+		=	1.745
3.	970	+		=	1.244
4.	885	+		=	1.588
5.	612	+		=	837
6.	830	+		=	1.099
7.	988	+		=	1.565
8.	975	+		=	1.775
9.	679	+		=	1.139
10.	951	+		=	1.896

Oefening 2
1.	545	+		=	1.067
2.	693	+		=	902
3.	785	+		=	1.405
4.	754	+		=	1.371
5.	830	+		=	1.523
6.	825	+		=	1.046
7.	794	+		=	1.547
8.	458	+		=	887
9.	704	+		=	1.091
10.	915	+		=	1.213

Oefening 3
1.	433	+		=	684
2.	953	+		=	1.377
3.	941	+		=	1.640
4.	514	+		=	846
5.	622	+		=	1.022
6.	876	+		=	1.128
7.	536	+		=	965
8.	713	+		=	1.034
9.	612	+		=	1.122
10.	426	+		=	817

Oefening 4
1.	915	+		=	1.535
2.	722	+		=	1.222
3.	765	+		=	1.186
4.	679	+		=	1.291
5.	459	+		=	745
6.	897	+		=	1.415
7.	675	+		=	1.235
8.	893	+		=	1.519
9.	660	+		=	1.155
10.	722	+		=	1.049

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	490	+	366	=	856
2.	996	+	749	=	1.745
3.	970	+	274	=	1.244
4.	885	+	703	=	1.588
5.	612	+	225	=	837
6.	830	+	269	=	1.099
7.	988	+	577	=	1.565
8.	975	+	800	=	1.775
9.	679	+	460	=	1.139
10.	951	+	945	=	1.896

Oefening 2
1.	545	+	522	=	1.067
2.	693	+	209	=	902
3.	785	+	620	=	1.405
4.	754	+	617	=	1.371
5.	830	+	693	=	1.523
6.	825	+	221	=	1.046
7.	794	+	753	=	1.547
8.	458	+	429	=	887
9.	704	+	387	=	1.091
10.	915	+	298	=	1.213

Oefening 3
1.	433	+	251	=	684
2.	953	+	424	=	1.377
3.	941	+	699	=	1.640
4.	514	+	332	=	846
5.	622	+	400	=	1.022
6.	876	+	252	=	1.128
7.	536	+	429	=	965
8.	713	+	321	=	1.034
9.	612	+	510	=	1.122
10.	426	+	391	=	817

Oefening 4
1.	915	+	620	=	1.535
2.	722	+	500	=	1.222
3.	765	+	421	=	1.186
4.	679	+	612	=	1.291
5.	459	+	286	=	745
6.	897	+	518	=	1.415
7.	675	+	560	=	1.235
8.	893	+	626	=	1.519
9.	660	+	495	=	1.155
10.	722	+	327	=	1.049