Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	298	+		=	552
2.	953	+		=	1.567
3.	802	+		=	1.090
4.	623	+		=	1.212
5.	762	+		=	1.390
6.	673	+		=	1.117
7.	638	+		=	1.121
8.	618	+		=	1.167
9.	974	+		=	1.755
10.	881	+		=	1.750

Oefening 2
1.	562	+		=	1.091
2.	752	+		=	1.497
3.	493	+		=	932
4.	900	+		=	1.564
5.	624	+		=	854
6.	864	+		=	1.443
7.	688	+		=	1.068
8.	965	+		=	1.905
9.	383	+		=	671
10.	437	+		=	865

Oefening 3
1.	320	+		=	551
2.	802	+		=	1.456
3.	882	+		=	1.301
4.	681	+		=	1.349
5.	995	+		=	1.347
6.	858	+		=	1.344
7.	770	+		=	1.091
8.	715	+		=	1.154
9.	509	+		=	778
10.	911	+		=	1.304

Oefening 4
1.	940	+		=	1.375
2.	630	+		=	1.094
3.	930	+		=	1.813
4.	504	+		=	781
5.	723	+		=	1.433
6.	779	+		=	1.188
7.	489	+		=	884
8.	869	+		=	1.703
9.	776	+		=	1.352
10.	720	+		=	1.125

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	298	+	254	=	552
2.	953	+	614	=	1.567
3.	802	+	288	=	1.090
4.	623	+	589	=	1.212
5.	762	+	628	=	1.390
6.	673	+	444	=	1.117
7.	638	+	483	=	1.121
8.	618	+	549	=	1.167
9.	974	+	781	=	1.755
10.	881	+	869	=	1.750

Oefening 2
1.	562	+	529	=	1.091
2.	752	+	745	=	1.497
3.	493	+	439	=	932
4.	900	+	664	=	1.564
5.	624	+	230	=	854
6.	864	+	579	=	1.443
7.	688	+	380	=	1.068
8.	965	+	940	=	1.905
9.	383	+	288	=	671
10.	437	+	428	=	865

Oefening 3
1.	320	+	231	=	551
2.	802	+	654	=	1.456
3.	882	+	419	=	1.301
4.	681	+	668	=	1.349
5.	995	+	352	=	1.347
6.	858	+	486	=	1.344
7.	770	+	321	=	1.091
8.	715	+	439	=	1.154
9.	509	+	269	=	778
10.	911	+	393	=	1.304

Oefening 4
1.	940	+	435	=	1.375
2.	630	+	464	=	1.094
3.	930	+	883	=	1.813
4.	504	+	277	=	781
5.	723	+	710	=	1.433
6.	779	+	409	=	1.188
7.	489	+	395	=	884
8.	869	+	834	=	1.703
9.	776	+	576	=	1.352
10.	720	+	405	=	1.125