Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	435	+		=	857
2.	843	+		=	1.221
3.	917	+		=	1.316
4.	933	+		=	1.480
5.	655	+		=	1.106
6.	901	+		=	1.256
7.	952	+		=	1.590
8.	982	+		=	1.390
9.	921	+		=	1.592
10.	449	+		=	667

Oefening 2
1.	700	+		=	1.138
2.	886	+		=	1.368
3.	818	+		=	1.284
4.	750	+		=	1.237
5.	930	+		=	1.259
6.	509	+		=	979
7.	962	+		=	1.720
8.	420	+		=	679
9.	760	+		=	1.370
10.	800	+		=	1.003

Oefening 3
1.	277	+		=	529
2.	764	+		=	1.281
3.	930	+		=	1.839
4.	248	+		=	479
5.	829	+		=	1.549
6.	870	+		=	1.412
7.	909	+		=	1.399
8.	470	+		=	940
9.	468	+		=	783
10.	985	+		=	1.385

Oefening 4
1.	408	+		=	741
2.	890	+		=	1.341
3.	535	+		=	1.014
4.	838	+		=	1.228
5.	935	+		=	1.804
6.	778	+		=	1.402
7.	873	+		=	1.591
8.	991	+		=	1.817
9.	920	+		=	1.534
10.	580	+		=	898

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	435	+	422	=	857
2.	843	+	378	=	1.221
3.	917	+	399	=	1.316
4.	933	+	547	=	1.480
5.	655	+	451	=	1.106
6.	901	+	355	=	1.256
7.	952	+	638	=	1.590
8.	982	+	408	=	1.390
9.	921	+	671	=	1.592
10.	449	+	218	=	667

Oefening 2
1.	700	+	438	=	1.138
2.	886	+	482	=	1.368
3.	818	+	466	=	1.284
4.	750	+	487	=	1.237
5.	930	+	329	=	1.259
6.	509	+	470	=	979
7.	962	+	758	=	1.720
8.	420	+	259	=	679
9.	760	+	610	=	1.370
10.	800	+	203	=	1.003

Oefening 3
1.	277	+	252	=	529
2.	764	+	517	=	1.281
3.	930	+	909	=	1.839
4.	248	+	231	=	479
5.	829	+	720	=	1.549
6.	870	+	542	=	1.412
7.	909	+	490	=	1.399
8.	470	+	470	=	940
9.	468	+	315	=	783
10.	985	+	400	=	1.385

Oefening 4
1.	408	+	333	=	741
2.	890	+	451	=	1.341
3.	535	+	479	=	1.014
4.	838	+	390	=	1.228
5.	935	+	869	=	1.804
6.	778	+	624	=	1.402
7.	873	+	718	=	1.591
8.	991	+	826	=	1.817
9.	920	+	614	=	1.534
10.	580	+	318	=	898