Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	554	+		=	905
2.	948	+		=	1.281
3.	514	+		=	781
4.	750	+		=	1.267
5.	694	+		=	1.042
6.	819	+		=	1.354
7.	762	+		=	1.160
8.	286	+		=	561
9.	899	+		=	1.119
10.	685	+		=	1.030

Oefening 2
1.	822	+		=	1.192
2.	486	+		=	706
3.	937	+		=	1.191
4.	971	+		=	1.643
5.	755	+		=	1.158
6.	912	+		=	1.513
7.	916	+		=	1.552
8.	250	+		=	463
9.	563	+		=	1.076
10.	764	+		=	1.287

Oefening 3
1.	919	+		=	1.417
2.	451	+		=	750
3.	781	+		=	1.349
4.	529	+		=	967
5.	782	+		=	1.414
6.	915	+		=	1.399
7.	895	+		=	1.167
8.	656	+		=	1.146
9.	681	+		=	1.049
10.	452	+		=	781

Oefening 4
1.	612	+		=	1.152
2.	849	+		=	1.238
3.	480	+		=	817
4.	702	+		=	1.250
5.	992	+		=	1.900
6.	940	+		=	1.760
7.	898	+		=	1.755
8.	750	+		=	1.047
9.	477	+		=	708
10.	462	+		=	693

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	554	+	351	=	905
2.	948	+	333	=	1.281
3.	514	+	267	=	781
4.	750	+	517	=	1.267
5.	694	+	348	=	1.042
6.	819	+	535	=	1.354
7.	762	+	398	=	1.160
8.	286	+	275	=	561
9.	899	+	220	=	1.119
10.	685	+	345	=	1.030

Oefening 2
1.	822	+	370	=	1.192
2.	486	+	220	=	706
3.	937	+	254	=	1.191
4.	971	+	672	=	1.643
5.	755	+	403	=	1.158
6.	912	+	601	=	1.513
7.	916	+	636	=	1.552
8.	250	+	213	=	463
9.	563	+	513	=	1.076
10.	764	+	523	=	1.287

Oefening 3
1.	919	+	498	=	1.417
2.	451	+	299	=	750
3.	781	+	568	=	1.349
4.	529	+	438	=	967
5.	782	+	632	=	1.414
6.	915	+	484	=	1.399
7.	895	+	272	=	1.167
8.	656	+	490	=	1.146
9.	681	+	368	=	1.049
10.	452	+	329	=	781

Oefening 4
1.	612	+	540	=	1.152
2.	849	+	389	=	1.238
3.	480	+	337	=	817
4.	702	+	548	=	1.250
5.	992	+	908	=	1.900
6.	940	+	820	=	1.760
7.	898	+	857	=	1.755
8.	750	+	297	=	1.047
9.	477	+	231	=	708
10.	462	+	231	=	693