Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	498	+		=	875
2.	254	+		=	418
3.	347	+		=	579
4.	323	+		=	456
5.	271	+		=	530
6.	438	+		=	748
7.	381	+		=	728
8.	198	+		=	371
9.	500	+		=	744
10.	498	+		=	695

Oefening 2
1.	475	+		=	848
2.	385	+		=	723
3.	320	+		=	638
4.	317	+		=	623
5.	380	+		=	529
6.	330	+		=	609
7.	420	+		=	546
8.	496	+		=	957
9.	272	+		=	476
10.	434	+		=	594

Oefening 3
1.	360	+		=	533
2.	404	+		=	747
3.	404	+		=	700
4.	158	+		=	276
5.	425	+		=	743
6.	313	+		=	571
7.	357	+		=	654
8.	405	+		=	797
9.	493	+		=	890
10.	444	+		=	884

Oefening 4
1.	338	+		=	567
2.	446	+		=	747
3.	278	+		=	514
4.	444	+		=	786
5.	223	+		=	372
6.	350	+		=	609
7.	409	+		=	732
8.	451	+		=	845
9.	441	+		=	752
10.	468	+		=	865

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	498	+	377	=	875
2.	254	+	164	=	418
3.	347	+	232	=	579
4.	323	+	133	=	456
5.	271	+	259	=	530
6.	438	+	310	=	748
7.	381	+	347	=	728
8.	198	+	173	=	371
9.	500	+	244	=	744
10.	498	+	197	=	695

Oefening 2
1.	475	+	373	=	848
2.	385	+	338	=	723
3.	320	+	318	=	638
4.	317	+	306	=	623
5.	380	+	149	=	529
6.	330	+	279	=	609
7.	420	+	126	=	546
8.	496	+	461	=	957
9.	272	+	204	=	476
10.	434	+	160	=	594

Oefening 3
1.	360	+	173	=	533
2.	404	+	343	=	747
3.	404	+	296	=	700
4.	158	+	118	=	276
5.	425	+	318	=	743
6.	313	+	258	=	571
7.	357	+	297	=	654
8.	405	+	392	=	797
9.	493	+	397	=	890
10.	444	+	440	=	884

Oefening 4
1.	338	+	229	=	567
2.	446	+	301	=	747
3.	278	+	236	=	514
4.	444	+	342	=	786
5.	223	+	149	=	372
6.	350	+	259	=	609
7.	409	+	323	=	732
8.	451	+	394	=	845
9.	441	+	311	=	752
10.	468	+	397	=	865