Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	388	+		=	751
2.	291	+		=	562
3.	393	+		=	564
4.	378	+		=	665
5.	461	+		=	629
6.	289	+		=	541
7.	344	+		=	686
8.	228	+		=	456
9.	367	+		=	554
10.	357	+		=	700

Oefening 2
1.	470	+		=	772
2.	470	+		=	854
3.	423	+		=	682
4.	401	+		=	510
5.	233	+		=	458
6.	422	+		=	628
7.	499	+		=	819
8.	422	+		=	549
9.	224	+		=	405
10.	491	+		=	696

Oefening 3
1.	230	+		=	440
2.	456	+		=	618
3.	497	+		=	890
4.	359	+		=	589
5.	461	+		=	661
6.	487	+		=	804
7.	414	+		=	628
8.	483	+		=	760
9.	354	+		=	682
10.	255	+		=	394

Oefening 4
1.	466	+		=	643
2.	443	+		=	597
3.	318	+		=	597
4.	258	+		=	432
5.	427	+		=	817
6.	392	+		=	652
7.	185	+		=	365
8.	203	+		=	336
9.	319	+		=	506
10.	377	+		=	481

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	388	+	363	=	751
2.	291	+	271	=	562
3.	393	+	171	=	564
4.	378	+	287	=	665
5.	461	+	168	=	629
6.	289	+	252	=	541
7.	344	+	342	=	686
8.	228	+	228	=	456
9.	367	+	187	=	554
10.	357	+	343	=	700

Oefening 2
1.	470	+	302	=	772
2.	470	+	384	=	854
3.	423	+	259	=	682
4.	401	+	109	=	510
5.	233	+	225	=	458
6.	422	+	206	=	628
7.	499	+	320	=	819
8.	422	+	127	=	549
9.	224	+	181	=	405
10.	491	+	205	=	696

Oefening 3
1.	230	+	210	=	440
2.	456	+	162	=	618
3.	497	+	393	=	890
4.	359	+	230	=	589
5.	461	+	200	=	661
6.	487	+	317	=	804
7.	414	+	214	=	628
8.	483	+	277	=	760
9.	354	+	328	=	682
10.	255	+	139	=	394

Oefening 4
1.	466	+	177	=	643
2.	443	+	154	=	597
3.	318	+	279	=	597
4.	258	+	174	=	432
5.	427	+	390	=	817
6.	392	+	260	=	652
7.	185	+	180	=	365
8.	203	+	133	=	336
9.	319	+	187	=	506
10.	377	+	104	=	481