Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	190	+		=	377
2.	313	+		=	462
3.	142	+		=	275
4.	496	+		=	888
5.	442	+		=	678
6.	333	+		=	566
7.	386	+		=	759
8.	481	+		=	897
9.	472	+		=	836
10.	429	+		=	835

Oefening 2
1.	482	+		=	855
2.	439	+		=	607
3.	333	+		=	521
4.	307	+		=	521
5.	473	+		=	626
6.	394	+		=	692
7.	318	+		=	559
8.	459	+		=	627
9.	234	+		=	414
10.	356	+		=	685

Oefening 3
1.	171	+		=	336
2.	305	+		=	439
3.	307	+		=	525
4.	414	+		=	577
5.	482	+		=	931
6.	436	+		=	835
7.	356	+		=	614
8.	486	+		=	865
9.	335	+		=	589
10.	175	+		=	341

Oefening 4
1.	443	+		=	832
2.	395	+		=	692
3.	382	+		=	713
4.	437	+		=	594
5.	491	+		=	678
6.	326	+		=	563
7.	111	+		=	221
8.	416	+		=	780
9.	413	+		=	688
10.	207	+		=	338

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	190	+	187	=	377
2.	313	+	149	=	462
3.	142	+	133	=	275
4.	496	+	392	=	888
5.	442	+	236	=	678
6.	333	+	233	=	566
7.	386	+	373	=	759
8.	481	+	416	=	897
9.	472	+	364	=	836
10.	429	+	406	=	835

Oefening 2
1.	482	+	373	=	855
2.	439	+	168	=	607
3.	333	+	188	=	521
4.	307	+	214	=	521
5.	473	+	153	=	626
6.	394	+	298	=	692
7.	318	+	241	=	559
8.	459	+	168	=	627
9.	234	+	180	=	414
10.	356	+	329	=	685

Oefening 3
1.	171	+	165	=	336
2.	305	+	134	=	439
3.	307	+	218	=	525
4.	414	+	163	=	577
5.	482	+	449	=	931
6.	436	+	399	=	835
7.	356	+	258	=	614
8.	486	+	379	=	865
9.	335	+	254	=	589
10.	175	+	166	=	341

Oefening 4
1.	443	+	389	=	832
2.	395	+	297	=	692
3.	382	+	331	=	713
4.	437	+	157	=	594
5.	491	+	187	=	678
6.	326	+	237	=	563
7.	111	+	110	=	221
8.	416	+	364	=	780
9.	413	+	275	=	688
10.	207	+	131	=	338