Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	400	+		=	784
2.	295	+		=	518
3.	362	+		=	602
4.	172	+		=	274
5.	383	+		=	568
6.	306	+		=	496
7.	421	+		=	575
8.	278	+		=	547
9.	272	+		=	395
10.	337	+		=	466

Oefening 2
1.	282	+		=	459
2.	499	+		=	609
3.	324	+		=	508
4.	457	+		=	754
5.	309	+		=	445
6.	420	+		=	773
7.	300	+		=	429
8.	454	+		=	613
9.	247	+		=	437
10.	416	+		=	772

Oefening 3
1.	484	+		=	681
2.	361	+		=	613
3.	417	+		=	581
4.	258	+		=	365
5.	494	+		=	870
6.	474	+		=	701
7.	420	+		=	631
8.	292	+		=	455
9.	449	+		=	639
10.	308	+		=	552

Oefening 4
1.	318	+		=	585
2.	321	+		=	609
3.	348	+		=	483
4.	241	+		=	396
5.	424	+		=	589
6.	362	+		=	633
7.	423	+		=	621
8.	248	+		=	444
9.	469	+		=	697
10.	268	+		=	495

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	400	+	384	=	784
2.	295	+	223	=	518
3.	362	+	240	=	602
4.	172	+	102	=	274
5.	383	+	185	=	568
6.	306	+	190	=	496
7.	421	+	154	=	575
8.	278	+	269	=	547
9.	272	+	123	=	395
10.	337	+	129	=	466

Oefening 2
1.	282	+	177	=	459
2.	499	+	110	=	609
3.	324	+	184	=	508
4.	457	+	297	=	754
5.	309	+	136	=	445
6.	420	+	353	=	773
7.	300	+	129	=	429
8.	454	+	159	=	613
9.	247	+	190	=	437
10.	416	+	356	=	772

Oefening 3
1.	484	+	197	=	681
2.	361	+	252	=	613
3.	417	+	164	=	581
4.	258	+	107	=	365
5.	494	+	376	=	870
6.	474	+	227	=	701
7.	420	+	211	=	631
8.	292	+	163	=	455
9.	449	+	190	=	639
10.	308	+	244	=	552

Oefening 4
1.	318	+	267	=	585
2.	321	+	288	=	609
3.	348	+	135	=	483
4.	241	+	155	=	396
5.	424	+	165	=	589
6.	362	+	271	=	633
7.	423	+	198	=	621
8.	248	+	196	=	444
9.	469	+	228	=	697
10.	268	+	227	=	495