Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	490	+		=	812
2.	476	+		=	822
3.	342	+		=	616
4.	334	+		=	436
5.	208	+		=	377
6.	362	+		=	606
7.	447	+		=	632
8.	448	+		=	560
9.	379	+		=	649
10.	422	+		=	696

Oefening 2
1.	247	+		=	472
2.	287	+		=	522
3.	177	+		=	320
4.	158	+		=	298
5.	381	+		=	731
6.	411	+		=	560
7.	494	+		=	617
8.	243	+		=	406
9.	391	+		=	706
10.	490	+		=	908

Oefening 3
1.	494	+		=	862
2.	303	+		=	528
3.	490	+		=	876
4.	292	+		=	471
5.	488	+		=	663
6.	168	+		=	286
7.	492	+		=	732
8.	339	+		=	586
9.	306	+		=	576
10.	417	+		=	655

Oefening 4
1.	173	+		=	345
2.	190	+		=	366
3.	468	+		=	703
4.	258	+		=	423
5.	487	+		=	765
6.	484	+		=	807
7.	271	+		=	377
8.	423	+		=	685
9.	412	+		=	602
10.	302	+		=	574

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	490	+	322	=	812
2.	476	+	346	=	822
3.	342	+	274	=	616
4.	334	+	102	=	436
5.	208	+	169	=	377
6.	362	+	244	=	606
7.	447	+	185	=	632
8.	448	+	112	=	560
9.	379	+	270	=	649
10.	422	+	274	=	696

Oefening 2
1.	247	+	225	=	472
2.	287	+	235	=	522
3.	177	+	143	=	320
4.	158	+	140	=	298
5.	381	+	350	=	731
6.	411	+	149	=	560
7.	494	+	123	=	617
8.	243	+	163	=	406
9.	391	+	315	=	706
10.	490	+	418	=	908

Oefening 3
1.	494	+	368	=	862
2.	303	+	225	=	528
3.	490	+	386	=	876
4.	292	+	179	=	471
5.	488	+	175	=	663
6.	168	+	118	=	286
7.	492	+	240	=	732
8.	339	+	247	=	586
9.	306	+	270	=	576
10.	417	+	238	=	655

Oefening 4
1.	173	+	172	=	345
2.	190	+	176	=	366
3.	468	+	235	=	703
4.	258	+	165	=	423
5.	487	+	278	=	765
6.	484	+	323	=	807
7.	271	+	106	=	377
8.	423	+	262	=	685
9.	412	+	190	=	602
10.	302	+	272	=	574