Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	591	+		=	1.086
2.	855	+		=	1.265
3.	874	+		=	1.282
4.	840	+		=	1.089
5.	590	+		=	839
6.	888	+		=	1.493
7.	646	+		=	1.219
8.	416	+		=	666
9.	891	+		=	1.592
10.	969	+		=	1.531

Oefening 2
1.	770	+		=	1.294
2.	646	+		=	1.125
3.	855	+		=	1.512
4.	472	+		=	896
5.	581	+		=	1.047
6.	564	+		=	1.013
7.	928	+		=	1.777
8.	759	+		=	1.459
9.	727	+		=	960
10.	879	+		=	1.097

Oefening 3
1.	774	+		=	1.320
2.	749	+		=	1.452
3.	331	+		=	539
4.	336	+		=	585
5.	692	+		=	1.243
6.	987	+		=	1.224
7.	914	+		=	1.783
8.	705	+		=	1.291
9.	846	+		=	1.048
10.	995	+		=	1.746

Oefening 4
1.	312	+		=	530
2.	284	+		=	505
3.	509	+		=	731
4.	899	+		=	1.232
5.	414	+		=	821
6.	921	+		=	1.194
7.	791	+		=	1.520
8.	490	+		=	904
9.	908	+		=	1.429
10.	941	+		=	1.382

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	591	+	495	=	1.086
2.	855	+	410	=	1.265
3.	874	+	408	=	1.282
4.	840	+	249	=	1.089
5.	590	+	249	=	839
6.	888	+	605	=	1.493
7.	646	+	573	=	1.219
8.	416	+	250	=	666
9.	891	+	701	=	1.592
10.	969	+	562	=	1.531

Oefening 2
1.	770	+	524	=	1.294
2.	646	+	479	=	1.125
3.	855	+	657	=	1.512
4.	472	+	424	=	896
5.	581	+	466	=	1.047
6.	564	+	449	=	1.013
7.	928	+	849	=	1.777
8.	759	+	700	=	1.459
9.	727	+	233	=	960
10.	879	+	218	=	1.097

Oefening 3
1.	774	+	546	=	1.320
2.	749	+	703	=	1.452
3.	331	+	208	=	539
4.	336	+	249	=	585
5.	692	+	551	=	1.243
6.	987	+	237	=	1.224
7.	914	+	869	=	1.783
8.	705	+	586	=	1.291
9.	846	+	202	=	1.048
10.	995	+	751	=	1.746

Oefening 4
1.	312	+	218	=	530
2.	284	+	221	=	505
3.	509	+	222	=	731
4.	899	+	333	=	1.232
5.	414	+	407	=	821
6.	921	+	273	=	1.194
7.	791	+	729	=	1.520
8.	490	+	414	=	904
9.	908	+	521	=	1.429
10.	941	+	441	=	1.382