Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	738	+		=	1.107
2.	456	+		=	908
3.	687	+		=	1.170
4.	461	+		=	853
5.	736	+		=	1.210
6.	812	+		=	1.276
7.	279	+		=	538
8.	898	+		=	1.426
9.	669	+		=	1.168
10.	805	+		=	1.609

Oefening 2
1.	551	+		=	898
2.	960	+		=	1.457
3.	553	+		=	1.066
4.	924	+		=	1.391
5.	804	+		=	1.430
6.	587	+		=	809
7.	686	+		=	997
8.	628	+		=	1.244
9.	379	+		=	718
10.	638	+		=	1.123

Oefening 3
1.	411	+		=	680
2.	966	+		=	1.552
3.	929	+		=	1.623
4.	515	+		=	1.027
5.	372	+		=	720
6.	659	+		=	1.202
7.	539	+		=	908
8.	829	+		=	1.621
9.	789	+		=	991
10.	892	+		=	1.612

Oefening 4
1.	732	+		=	1.433
2.	570	+		=	1.072
3.	1.000	+		=	1.674
4.	561	+		=	914
5.	602	+		=	1.047
6.	511	+		=	854
7.	760	+		=	1.264
8.	662	+		=	1.073
9.	823	+		=	1.463
10.	990	+		=	1.482

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	738	+	369	=	1.107
2.	456	+	452	=	908
3.	687	+	483	=	1.170
4.	461	+	392	=	853
5.	736	+	474	=	1.210
6.	812	+	464	=	1.276
7.	279	+	259	=	538
8.	898	+	528	=	1.426
9.	669	+	499	=	1.168
10.	805	+	804	=	1.609

Oefening 2
1.	551	+	347	=	898
2.	960	+	497	=	1.457
3.	553	+	513	=	1.066
4.	924	+	467	=	1.391
5.	804	+	626	=	1.430
6.	587	+	222	=	809
7.	686	+	311	=	997
8.	628	+	616	=	1.244
9.	379	+	339	=	718
10.	638	+	485	=	1.123

Oefening 3
1.	411	+	269	=	680
2.	966	+	586	=	1.552
3.	929	+	694	=	1.623
4.	515	+	512	=	1.027
5.	372	+	348	=	720
6.	659	+	543	=	1.202
7.	539	+	369	=	908
8.	829	+	792	=	1.621
9.	789	+	202	=	991
10.	892	+	720	=	1.612

Oefening 4
1.	732	+	701	=	1.433
2.	570	+	502	=	1.072
3.	1.000	+	674	=	1.674
4.	561	+	353	=	914
5.	602	+	445	=	1.047
6.	511	+	343	=	854
7.	760	+	504	=	1.264
8.	662	+	411	=	1.073
9.	823	+	640	=	1.463
10.	990	+	492	=	1.482