Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	431	+		=	765
2.	647	+		=	1.229
3.	826	+		=	1.563
4.	600	+		=	1.013
5.	591	+		=	1.101
6.	514	+		=	943
7.	768	+		=	978
8.	620	+		=	1.208
9.	496	+		=	797
10.	746	+		=	1.246

Oefening 2
1.	731	+		=	1.354
2.	826	+		=	1.148
3.	820	+		=	1.582
4.	780	+		=	1.389
5.	864	+		=	1.637
6.	710	+		=	961
7.	480	+		=	680
8.	605	+		=	931
9.	395	+		=	779
10.	942	+		=	1.143

Oefening 3
1.	738	+		=	1.434
2.	506	+		=	922
3.	765	+		=	1.130
4.	994	+		=	1.400
5.	904	+		=	1.601
6.	947	+		=	1.752
7.	383	+		=	712
8.	975	+		=	1.706
9.	903	+		=	1.608
10.	825	+		=	1.630

Oefening 4
1.	981	+		=	1.917
2.	933	+		=	1.253
3.	603	+		=	941
4.	977	+		=	1.519
5.	748	+		=	949
6.	674	+		=	888
7.	806	+		=	1.278
8.	674	+		=	1.214
9.	796	+		=	1.265
10.	694	+		=	989

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	431	+	334	=	765
2.	647	+	582	=	1.229
3.	826	+	737	=	1.563
4.	600	+	413	=	1.013
5.	591	+	510	=	1.101
6.	514	+	429	=	943
7.	768	+	210	=	978
8.	620	+	588	=	1.208
9.	496	+	301	=	797
10.	746	+	500	=	1.246

Oefening 2
1.	731	+	623	=	1.354
2.	826	+	322	=	1.148
3.	820	+	762	=	1.582
4.	780	+	609	=	1.389
5.	864	+	773	=	1.637
6.	710	+	251	=	961
7.	480	+	200	=	680
8.	605	+	326	=	931
9.	395	+	384	=	779
10.	942	+	201	=	1.143

Oefening 3
1.	738	+	696	=	1.434
2.	506	+	416	=	922
3.	765	+	365	=	1.130
4.	994	+	406	=	1.400
5.	904	+	697	=	1.601
6.	947	+	805	=	1.752
7.	383	+	329	=	712
8.	975	+	731	=	1.706
9.	903	+	705	=	1.608
10.	825	+	805	=	1.630

Oefening 4
1.	981	+	936	=	1.917
2.	933	+	320	=	1.253
3.	603	+	338	=	941
4.	977	+	542	=	1.519
5.	748	+	201	=	949
6.	674	+	214	=	888
7.	806	+	472	=	1.278
8.	674	+	540	=	1.214
9.	796	+	469	=	1.265
10.	694	+	295	=	989