Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	853	+		=	1.589
2.	995	+		=	1.755
3.	351	+		=	664
4.	292	+		=	581
5.	822	+		=	1.154
6.	914	+		=	1.558
7.	983	+		=	1.524
8.	676	+		=	1.187
9.	508	+		=	1.014
10.	706	+		=	1.278

Oefening 2
1.	500	+		=	823
2.	925	+		=	1.232
3.	1.000	+		=	1.427
4.	908	+		=	1.346
5.	596	+		=	1.092
6.	780	+		=	1.534
7.	761	+		=	1.283
8.	438	+		=	820
9.	617	+		=	1.106
10.	938	+		=	1.504

Oefening 3
1.	246	+		=	464
2.	598	+		=	963
3.	930	+		=	1.389
4.	830	+		=	1.373
5.	936	+		=	1.572
6.	651	+		=	1.275
7.	517	+		=	927
8.	610	+		=	836
9.	679	+		=	946
10.	825	+		=	1.507

Oefening 4
1.	674	+		=	1.023
2.	650	+		=	1.106
3.	326	+		=	556
4.	729	+		=	1.079
5.	869	+		=	1.468
6.	663	+		=	1.000
7.	847	+		=	1.141
8.	624	+		=	1.011
9.	794	+		=	1.213
10.	765	+		=	1.497

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	853	+	736	=	1.589
2.	995	+	760	=	1.755
3.	351	+	313	=	664
4.	292	+	289	=	581
5.	822	+	332	=	1.154
6.	914	+	644	=	1.558
7.	983	+	541	=	1.524
8.	676	+	511	=	1.187
9.	508	+	506	=	1.014
10.	706	+	572	=	1.278

Oefening 2
1.	500	+	323	=	823
2.	925	+	307	=	1.232
3.	1.000	+	427	=	1.427
4.	908	+	438	=	1.346
5.	596	+	496	=	1.092
6.	780	+	754	=	1.534
7.	761	+	522	=	1.283
8.	438	+	382	=	820
9.	617	+	489	=	1.106
10.	938	+	566	=	1.504

Oefening 3
1.	246	+	218	=	464
2.	598	+	365	=	963
3.	930	+	459	=	1.389
4.	830	+	543	=	1.373
5.	936	+	636	=	1.572
6.	651	+	624	=	1.275
7.	517	+	410	=	927
8.	610	+	226	=	836
9.	679	+	267	=	946
10.	825	+	682	=	1.507

Oefening 4
1.	674	+	349	=	1.023
2.	650	+	456	=	1.106
3.	326	+	230	=	556
4.	729	+	350	=	1.079
5.	869	+	599	=	1.468
6.	663	+	337	=	1.000
7.	847	+	294	=	1.141
8.	624	+	387	=	1.011
9.	794	+	419	=	1.213
10.	765	+	732	=	1.497