Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	948	+		=	1.405
2.	460	+		=	753
3.	825	+		=	1.126
4.	470	+		=	739
5.	974	+		=	1.192
6.	659	+		=	1.152
7.	697	+		=	1.188
8.	479	+		=	849
9.	995	+		=	1.395
10.	678	+		=	1.349

Oefening 2
1.	912	+		=	1.286
2.	327	+		=	585
3.	892	+		=	1.541
4.	904	+		=	1.406
5.	926	+		=	1.195
6.	960	+		=	1.466
7.	847	+		=	1.437
8.	784	+		=	1.538
9.	989	+		=	1.308
10.	889	+		=	1.564

Oefening 3
1.	462	+		=	781
2.	661	+		=	1.318
3.	829	+		=	1.502
4.	664	+		=	1.173
5.	796	+		=	1.519
6.	657	+		=	983
7.	590	+		=	896
8.	657	+		=	871
9.	574	+		=	1.118
10.	854	+		=	1.295

Oefening 4
1.	786	+		=	1.355
2.	977	+		=	1.756
3.	903	+		=	1.366
4.	849	+		=	1.239
5.	739	+		=	1.313
6.	769	+		=	1.401
7.	425	+		=	696
8.	731	+		=	1.181
9.	774	+		=	1.166
10.	428	+		=	783

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	948	+	457	=	1.405
2.	460	+	293	=	753
3.	825	+	301	=	1.126
4.	470	+	269	=	739
5.	974	+	218	=	1.192
6.	659	+	493	=	1.152
7.	697	+	491	=	1.188
8.	479	+	370	=	849
9.	995	+	400	=	1.395
10.	678	+	671	=	1.349

Oefening 2
1.	912	+	374	=	1.286
2.	327	+	258	=	585
3.	892	+	649	=	1.541
4.	904	+	502	=	1.406
5.	926	+	269	=	1.195
6.	960	+	506	=	1.466
7.	847	+	590	=	1.437
8.	784	+	754	=	1.538
9.	989	+	319	=	1.308
10.	889	+	675	=	1.564

Oefening 3
1.	462	+	319	=	781
2.	661	+	657	=	1.318
3.	829	+	673	=	1.502
4.	664	+	509	=	1.173
5.	796	+	723	=	1.519
6.	657	+	326	=	983
7.	590	+	306	=	896
8.	657	+	214	=	871
9.	574	+	544	=	1.118
10.	854	+	441	=	1.295

Oefening 4
1.	786	+	569	=	1.355
2.	977	+	779	=	1.756
3.	903	+	463	=	1.366
4.	849	+	390	=	1.239
5.	739	+	574	=	1.313
6.	769	+	632	=	1.401
7.	425	+	271	=	696
8.	731	+	450	=	1.181
9.	774	+	392	=	1.166
10.	428	+	355	=	783