Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	946	+		=	1.535
2.	666	+		=	1.052
3.	901	+		=	1.490
4.	856	+		=	1.639
5.	955	+		=	1.592
6.	406	+		=	607
7.	670	+		=	1.036
8.	922	+		=	1.401
9.	576	+		=	1.001
10.	920	+		=	1.274

Oefening 2
1.	431	+		=	715
2.	921	+		=	1.452
3.	979	+		=	1.676
4.	832	+		=	1.306
5.	800	+		=	1.235
6.	721	+		=	1.120
7.	858	+		=	1.375
8.	952	+		=	1.514
9.	594	+		=	1.076
10.	746	+		=	1.098

Oefening 3
1.	942	+		=	1.409
2.	915	+		=	1.567
3.	857	+		=	1.558
4.	636	+		=	1.164
5.	997	+		=	1.394
6.	309	+		=	572
7.	897	+		=	1.130
8.	890	+		=	1.243
9.	386	+		=	700
10.	497	+		=	989

Oefening 4
1.	818	+		=	1.107
2.	703	+		=	1.267
3.	810	+		=	1.317
4.	891	+		=	1.249
5.	847	+		=	1.184
6.	894	+		=	1.148
7.	636	+		=	1.261
8.	726	+		=	1.393
9.	986	+		=	1.375
10.	385	+		=	641

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	946	+	589	=	1.535
2.	666	+	386	=	1.052
3.	901	+	589	=	1.490
4.	856	+	783	=	1.639
5.	955	+	637	=	1.592
6.	406	+	201	=	607
7.	670	+	366	=	1.036
8.	922	+	479	=	1.401
9.	576	+	425	=	1.001
10.	920	+	354	=	1.274

Oefening 2
1.	431	+	284	=	715
2.	921	+	531	=	1.452
3.	979	+	697	=	1.676
4.	832	+	474	=	1.306
5.	800	+	435	=	1.235
6.	721	+	399	=	1.120
7.	858	+	517	=	1.375
8.	952	+	562	=	1.514
9.	594	+	482	=	1.076
10.	746	+	352	=	1.098

Oefening 3
1.	942	+	467	=	1.409
2.	915	+	652	=	1.567
3.	857	+	701	=	1.558
4.	636	+	528	=	1.164
5.	997	+	397	=	1.394
6.	309	+	263	=	572
7.	897	+	233	=	1.130
8.	890	+	353	=	1.243
9.	386	+	314	=	700
10.	497	+	492	=	989

Oefening 4
1.	818	+	289	=	1.107
2.	703	+	564	=	1.267
3.	810	+	507	=	1.317
4.	891	+	358	=	1.249
5.	847	+	337	=	1.184
6.	894	+	254	=	1.148
7.	636	+	625	=	1.261
8.	726	+	667	=	1.393
9.	986	+	389	=	1.375
10.	385	+	256	=	641