Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	765	+		=	1.038
2.	505	+		=	792
3.	780	+		=	1.409
4.	590	+		=	898
5.	538	+		=	785
6.	774	+		=	1.148
7.	354	+		=	566
8.	625	+		=	866
9.	270	+		=	507
10.	937	+		=	1.566

Oefening 2
1.	688	+		=	1.075
2.	806	+		=	1.380
3.	851	+		=	1.573
4.	392	+		=	611
5.	529	+		=	898
6.	808	+		=	1.270
7.	789	+		=	1.290
8.	861	+		=	1.377
9.	717	+		=	1.312
10.	969	+		=	1.614

Oefening 3
1.	775	+		=	1.289
2.	986	+		=	1.772
3.	771	+		=	1.238
4.	822	+		=	1.448
5.	427	+		=	688
6.	368	+		=	647
7.	807	+		=	1.539
8.	740	+		=	1.168
9.	598	+		=	854
10.	978	+		=	1.384

Oefening 4
1.	877	+		=	1.525
2.	984	+		=	1.762
3.	814	+		=	1.488
4.	750	+		=	1.352
5.	781	+		=	1.353
6.	933	+		=	1.195
7.	679	+		=	1.172
8.	618	+		=	1.041
9.	970	+		=	1.441
10.	838	+		=	1.175

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	765	+	273	=	1.038
2.	505	+	287	=	792
3.	780	+	629	=	1.409
4.	590	+	308	=	898
5.	538	+	247	=	785
6.	774	+	374	=	1.148
7.	354	+	212	=	566
8.	625	+	241	=	866
9.	270	+	237	=	507
10.	937	+	629	=	1.566

Oefening 2
1.	688	+	387	=	1.075
2.	806	+	574	=	1.380
3.	851	+	722	=	1.573
4.	392	+	219	=	611
5.	529	+	369	=	898
6.	808	+	462	=	1.270
7.	789	+	501	=	1.290
8.	861	+	516	=	1.377
9.	717	+	595	=	1.312
10.	969	+	645	=	1.614

Oefening 3
1.	775	+	514	=	1.289
2.	986	+	786	=	1.772
3.	771	+	467	=	1.238
4.	822	+	626	=	1.448
5.	427	+	261	=	688
6.	368	+	279	=	647
7.	807	+	732	=	1.539
8.	740	+	428	=	1.168
9.	598	+	256	=	854
10.	978	+	406	=	1.384

Oefening 4
1.	877	+	648	=	1.525
2.	984	+	778	=	1.762
3.	814	+	674	=	1.488
4.	750	+	602	=	1.352
5.	781	+	572	=	1.353
6.	933	+	262	=	1.195
7.	679	+	493	=	1.172
8.	618	+	423	=	1.041
9.	970	+	471	=	1.441
10.	838	+	337	=	1.175