Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	881	+		=	1.662
2.	790	+		=	1.417
3.	296	+		=	511
4.	890	+		=	1.308
5.	725	+		=	1.071
6.	908	+		=	1.280
7.	920	+		=	1.780
8.	808	+		=	1.135
9.	618	+		=	1.110
10.	950	+		=	1.727

Oefening 2
1.	346	+		=	641
2.	976	+		=	1.453
3.	726	+		=	1.390
4.	659	+		=	886
5.	780	+		=	1.199
6.	382	+		=	631
7.	827	+		=	1.442
8.	937	+		=	1.793
9.	738	+		=	1.384
10.	726	+		=	1.089

Oefening 3
1.	759	+		=	1.034
2.	573	+		=	969
3.	827	+		=	1.128
4.	714	+		=	1.054
5.	481	+		=	797
6.	939	+		=	1.589
7.	872	+		=	1.200
8.	697	+		=	1.198
9.	505	+		=	872
10.	980	+		=	1.781

Oefening 4
1.	814	+		=	1.344
2.	909	+		=	1.114
3.	648	+		=	1.294
4.	967	+		=	1.867
5.	556	+		=	1.010
6.	358	+		=	662
7.	429	+		=	655
8.	862	+		=	1.679
9.	846	+		=	1.432
10.	925	+		=	1.786

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	881	+	781	=	1.662
2.	790	+	627	=	1.417
3.	296	+	215	=	511
4.	890	+	418	=	1.308
5.	725	+	346	=	1.071
6.	908	+	372	=	1.280
7.	920	+	860	=	1.780
8.	808	+	327	=	1.135
9.	618	+	492	=	1.110
10.	950	+	777	=	1.727

Oefening 2
1.	346	+	295	=	641
2.	976	+	477	=	1.453
3.	726	+	664	=	1.390
4.	659	+	227	=	886
5.	780	+	419	=	1.199
6.	382	+	249	=	631
7.	827	+	615	=	1.442
8.	937	+	856	=	1.793
9.	738	+	646	=	1.384
10.	726	+	363	=	1.089

Oefening 3
1.	759	+	275	=	1.034
2.	573	+	396	=	969
3.	827	+	301	=	1.128
4.	714	+	340	=	1.054
5.	481	+	316	=	797
6.	939	+	650	=	1.589
7.	872	+	328	=	1.200
8.	697	+	501	=	1.198
9.	505	+	367	=	872
10.	980	+	801	=	1.781

Oefening 4
1.	814	+	530	=	1.344
2.	909	+	205	=	1.114
3.	648	+	646	=	1.294
4.	967	+	900	=	1.867
5.	556	+	454	=	1.010
6.	358	+	304	=	662
7.	429	+	226	=	655
8.	862	+	817	=	1.679
9.	846	+	586	=	1.432
10.	925	+	861	=	1.786