Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	808	+		=	1.374
2.	920	+		=	1.765
3.	596	+		=	797
4.	933	+		=	1.185
5.	326	+		=	548
6.	703	+		=	933
7.	756	+		=	1.226
8.	528	+		=	922
9.	761	+		=	1.412
10.	367	+		=	676

Oefening 2
1.	786	+		=	1.258
2.	950	+		=	1.807
3.	688	+		=	1.166
4.	840	+		=	1.630
5.	810	+		=	1.184
6.	795	+		=	1.407
7.	920	+		=	1.664
8.	248	+		=	486
9.	957	+		=	1.765
10.	283	+		=	558

Oefening 3
1.	926	+		=	1.745
2.	959	+		=	1.366
3.	479	+		=	813
4.	749	+		=	1.271
5.	581	+		=	1.145
6.	984	+		=	1.503
7.	753	+		=	1.181
8.	380	+		=	638
9.	506	+		=	986
10.	875	+		=	1.274

Oefening 4
1.	675	+		=	1.244
2.	490	+		=	795
3.	983	+		=	1.367
4.	967	+		=	1.478
5.	415	+		=	666
6.	991	+		=	1.972
7.	850	+		=	1.283
8.	288	+		=	531
9.	971	+		=	1.286
10.	823	+		=	1.582

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	808	+	566	=	1.374
2.	920	+	845	=	1.765
3.	596	+	201	=	797
4.	933	+	252	=	1.185
5.	326	+	222	=	548
6.	703	+	230	=	933
7.	756	+	470	=	1.226
8.	528	+	394	=	922
9.	761	+	651	=	1.412
10.	367	+	309	=	676

Oefening 2
1.	786	+	472	=	1.258
2.	950	+	857	=	1.807
3.	688	+	478	=	1.166
4.	840	+	790	=	1.630
5.	810	+	374	=	1.184
6.	795	+	612	=	1.407
7.	920	+	744	=	1.664
8.	248	+	238	=	486
9.	957	+	808	=	1.765
10.	283	+	275	=	558

Oefening 3
1.	926	+	819	=	1.745
2.	959	+	407	=	1.366
3.	479	+	334	=	813
4.	749	+	522	=	1.271
5.	581	+	564	=	1.145
6.	984	+	519	=	1.503
7.	753	+	428	=	1.181
8.	380	+	258	=	638
9.	506	+	480	=	986
10.	875	+	399	=	1.274

Oefening 4
1.	675	+	569	=	1.244
2.	490	+	305	=	795
3.	983	+	384	=	1.367
4.	967	+	511	=	1.478
5.	415	+	251	=	666
6.	991	+	981	=	1.972
7.	850	+	433	=	1.283
8.	288	+	243	=	531
9.	971	+	315	=	1.286
10.	823	+	759	=	1.582