Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	643	+		=	1.224
2.	808	+		=	1.122
3.	582	+		=	1.007
4.	617	+		=	891
5.	837	+		=	1.553
6.	759	+		=	1.063
7.	641	+		=	1.044
8.	732	+		=	1.100
9.	891	+		=	1.430
10.	750	+		=	1.029

Oefening 2
1.	980	+		=	1.659
2.	673	+		=	1.169
3.	454	+		=	774
4.	691	+		=	1.073
5.	533	+		=	821
6.	737	+		=	951
7.	400	+		=	786
8.	743	+		=	1.057
9.	653	+		=	1.169
10.	338	+		=	594

Oefening 3
1.	999	+		=	1.670
2.	943	+		=	1.401
3.	852	+		=	1.319
4.	870	+		=	1.307
5.	851	+		=	1.560
6.	884	+		=	1.287
7.	668	+		=	1.271
8.	835	+		=	1.270
9.	359	+		=	693
10.	890	+		=	1.478

Oefening 4
1.	286	+		=	521
2.	874	+		=	1.117
3.	818	+		=	1.462
4.	650	+		=	1.053
5.	939	+		=	1.768
6.	786	+		=	1.002
7.	958	+		=	1.380
8.	425	+		=	715
9.	610	+		=	810
10.	955	+		=	1.783

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	643	+	581	=	1.224
2.	808	+	314	=	1.122
3.	582	+	425	=	1.007
4.	617	+	274	=	891
5.	837	+	716	=	1.553
6.	759	+	304	=	1.063
7.	641	+	403	=	1.044
8.	732	+	368	=	1.100
9.	891	+	539	=	1.430
10.	750	+	279	=	1.029

Oefening 2
1.	980	+	679	=	1.659
2.	673	+	496	=	1.169
3.	454	+	320	=	774
4.	691	+	382	=	1.073
5.	533	+	288	=	821
6.	737	+	214	=	951
7.	400	+	386	=	786
8.	743	+	314	=	1.057
9.	653	+	516	=	1.169
10.	338	+	256	=	594

Oefening 3
1.	999	+	671	=	1.670
2.	943	+	458	=	1.401
3.	852	+	467	=	1.319
4.	870	+	437	=	1.307
5.	851	+	709	=	1.560
6.	884	+	403	=	1.287
7.	668	+	603	=	1.271
8.	835	+	435	=	1.270
9.	359	+	334	=	693
10.	890	+	588	=	1.478

Oefening 4
1.	286	+	235	=	521
2.	874	+	243	=	1.117
3.	818	+	644	=	1.462
4.	650	+	403	=	1.053
5.	939	+	829	=	1.768
6.	786	+	216	=	1.002
7.	958	+	422	=	1.380
8.	425	+	290	=	715
9.	610	+	200	=	810
10.	955	+	828	=	1.783