Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	569	+		=	912
2.	425	+		=	731
3.	985	+		=	1.647
4.	940	+		=	1.571
5.	287	+		=	544
6.	925	+		=	1.127
7.	875	+		=	1.471
8.	858	+		=	1.399
9.	599	+		=	1.140
10.	405	+		=	772

Oefening 2
1.	982	+		=	1.743
2.	972	+		=	1.675
3.	719	+		=	1.308
4.	950	+		=	1.270
5.	698	+		=	1.321
6.	639	+		=	1.219
7.	809	+		=	1.454
8.	305	+		=	609
9.	774	+		=	1.492
10.	979	+		=	1.711

Oefening 3
1.	651	+		=	1.189
2.	735	+		=	1.030
3.	920	+		=	1.570
4.	906	+		=	1.463
5.	985	+		=	1.826
6.	313	+		=	541
7.	712	+		=	978
8.	808	+		=	1.505
9.	757	+		=	1.160
10.	953	+		=	1.445

Oefening 4
1.	270	+		=	487
2.	811	+		=	1.451
3.	873	+		=	1.304
4.	658	+		=	1.082
5.	886	+		=	1.506
6.	482	+		=	847
7.	771	+		=	1.275
8.	822	+		=	1.405
9.	898	+		=	1.372
10.	946	+		=	1.617

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	569	+	343	=	912
2.	425	+	306	=	731
3.	985	+	662	=	1.647
4.	940	+	631	=	1.571
5.	287	+	257	=	544
6.	925	+	202	=	1.127
7.	875	+	596	=	1.471
8.	858	+	541	=	1.399
9.	599	+	541	=	1.140
10.	405	+	367	=	772

Oefening 2
1.	982	+	761	=	1.743
2.	972	+	703	=	1.675
3.	719	+	589	=	1.308
4.	950	+	320	=	1.270
5.	698	+	623	=	1.321
6.	639	+	580	=	1.219
7.	809	+	645	=	1.454
8.	305	+	304	=	609
9.	774	+	718	=	1.492
10.	979	+	732	=	1.711

Oefening 3
1.	651	+	538	=	1.189
2.	735	+	295	=	1.030
3.	920	+	650	=	1.570
4.	906	+	557	=	1.463
5.	985	+	841	=	1.826
6.	313	+	228	=	541
7.	712	+	266	=	978
8.	808	+	697	=	1.505
9.	757	+	403	=	1.160
10.	953	+	492	=	1.445

Oefening 4
1.	270	+	217	=	487
2.	811	+	640	=	1.451
3.	873	+	431	=	1.304
4.	658	+	424	=	1.082
5.	886	+	620	=	1.506
6.	482	+	365	=	847
7.	771	+	504	=	1.275
8.	822	+	583	=	1.405
9.	898	+	474	=	1.372
10.	946	+	671	=	1.617