Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	319	+		=	585
2.	326	+		=	635
3.	413	+		=	593
4.	265	+		=	500
5.	315	+		=	558
6.	404	+		=	537
7.	427	+		=	844
8.	271	+		=	451
9.	490	+		=	916
10.	500	+		=	982

Oefening 2
1.	139	+		=	249
2.	401	+		=	564
3.	401	+		=	694
4.	177	+		=	350
5.	367	+		=	520
6.	269	+		=	462
7.	254	+		=	461
8.	201	+		=	322
9.	449	+		=	743
10.	431	+		=	700

Oefening 3
1.	215	+		=	333
2.	405	+		=	681
3.	253	+		=	464
4.	484	+		=	619
5.	302	+		=	565
6.	296	+		=	456
7.	441	+		=	815
8.	274	+		=	536
9.	381	+		=	708
10.	436	+		=	796

Oefening 4
1.	492	+		=	893
2.	172	+		=	298
3.	356	+		=	627
4.	212	+		=	360
5.	464	+		=	775
6.	493	+		=	961
7.	401	+		=	552
8.	421	+		=	757
9.	271	+		=	540
10.	466	+		=	721

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	319	+	266	=	585
2.	326	+	309	=	635
3.	413	+	180	=	593
4.	265	+	235	=	500
5.	315	+	243	=	558
6.	404	+	133	=	537
7.	427	+	417	=	844
8.	271	+	180	=	451
9.	490	+	426	=	916
10.	500	+	482	=	982

Oefening 2
1.	139	+	110	=	249
2.	401	+	163	=	564
3.	401	+	293	=	694
4.	177	+	173	=	350
5.	367	+	153	=	520
6.	269	+	193	=	462
7.	254	+	207	=	461
8.	201	+	121	=	322
9.	449	+	294	=	743
10.	431	+	269	=	700

Oefening 3
1.	215	+	118	=	333
2.	405	+	276	=	681
3.	253	+	211	=	464
4.	484	+	135	=	619
5.	302	+	263	=	565
6.	296	+	160	=	456
7.	441	+	374	=	815
8.	274	+	262	=	536
9.	381	+	327	=	708
10.	436	+	360	=	796

Oefening 4
1.	492	+	401	=	893
2.	172	+	126	=	298
3.	356	+	271	=	627
4.	212	+	148	=	360
5.	464	+	311	=	775
6.	493	+	468	=	961
7.	401	+	151	=	552
8.	421	+	336	=	757
9.	271	+	269	=	540
10.	466	+	255	=	721