Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	426	+		=	629
2.	883	+		=	1.731
3.	999	+		=	1.726
4.	865	+		=	1.635
5.	960	+		=	1.726
6.	975	+		=	1.620
7.	302	+		=	541
8.	699	+		=	1.197
9.	735	+		=	1.039
10.	798	+		=	1.214

Oefening 2
1.	849	+		=	1.509
2.	791	+		=	1.260
3.	957	+		=	1.779
4.	675	+		=	985
5.	680	+		=	951
6.	372	+		=	595
7.	899	+		=	1.430
8.	659	+		=	997
9.	805	+		=	1.573
10.	811	+		=	1.440

Oefening 3
1.	837	+		=	1.622
2.	954	+		=	1.896
3.	326	+		=	626
4.	908	+		=	1.772
5.	745	+		=	1.251
6.	776	+		=	1.280
7.	790	+		=	1.266
8.	973	+		=	1.529
9.	229	+		=	455
10.	975	+		=	1.881

Oefening 4
1.	592	+		=	1.060
2.	395	+		=	769
3.	834	+		=	1.390
4.	835	+		=	1.268
5.	632	+		=	886
6.	960	+		=	1.633
7.	793	+		=	1.519
8.	687	+		=	1.356
9.	894	+		=	1.287
10.	683	+		=	1.283

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	426	+	203	=	629
2.	883	+	848	=	1.731
3.	999	+	727	=	1.726
4.	865	+	770	=	1.635
5.	960	+	766	=	1.726
6.	975	+	645	=	1.620
7.	302	+	239	=	541
8.	699	+	498	=	1.197
9.	735	+	304	=	1.039
10.	798	+	416	=	1.214

Oefening 2
1.	849	+	660	=	1.509
2.	791	+	469	=	1.260
3.	957	+	822	=	1.779
4.	675	+	310	=	985
5.	680	+	271	=	951
6.	372	+	223	=	595
7.	899	+	531	=	1.430
8.	659	+	338	=	997
9.	805	+	768	=	1.573
10.	811	+	629	=	1.440

Oefening 3
1.	837	+	785	=	1.622
2.	954	+	942	=	1.896
3.	326	+	300	=	626
4.	908	+	864	=	1.772
5.	745	+	506	=	1.251
6.	776	+	504	=	1.280
7.	790	+	476	=	1.266
8.	973	+	556	=	1.529
9.	229	+	226	=	455
10.	975	+	906	=	1.881

Oefening 4
1.	592	+	468	=	1.060
2.	395	+	374	=	769
3.	834	+	556	=	1.390
4.	835	+	433	=	1.268
5.	632	+	254	=	886
6.	960	+	673	=	1.633
7.	793	+	726	=	1.519
8.	687	+	669	=	1.356
9.	894	+	393	=	1.287
10.	683	+	600	=	1.283