Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	491	+		=	657
2.	341	+		=	475
3.	396	+		=	757
4.	494	+		=	961
5.	404	+		=	530
6.	440	+		=	558
7.	372	+		=	645
8.	410	+		=	566
9.	253	+		=	366
10.	479	+		=	595

Oefening 2
1.	267	+		=	451
2.	383	+		=	621
3.	424	+		=	713
4.	423	+		=	539
5.	255	+		=	358
6.	244	+		=	366
7.	436	+		=	759
8.	444	+		=	588
9.	335	+		=	622
10.	297	+		=	483

Oefening 3
1.	408	+		=	758
2.	336	+		=	642
3.	499	+		=	813
4.	381	+		=	509
5.	333	+		=	443
6.	496	+		=	776
7.	448	+		=	628
8.	222	+		=	348
9.	412	+		=	614
10.	192	+		=	301

Oefening 4
1.	497	+		=	976
2.	206	+		=	376
3.	271	+		=	528
4.	157	+		=	302
5.	355	+		=	510
6.	420	+		=	611
7.	330	+		=	584
8.	359	+		=	558
9.	233	+		=	459
10.	433	+		=	700

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	491	+	166	=	657
2.	341	+	134	=	475
3.	396	+	361	=	757
4.	494	+	467	=	961
5.	404	+	126	=	530
6.	440	+	118	=	558
7.	372	+	273	=	645
8.	410	+	156	=	566
9.	253	+	113	=	366
10.	479	+	116	=	595

Oefening 2
1.	267	+	184	=	451
2.	383	+	238	=	621
3.	424	+	289	=	713
4.	423	+	116	=	539
5.	255	+	103	=	358
6.	244	+	122	=	366
7.	436	+	323	=	759
8.	444	+	144	=	588
9.	335	+	287	=	622
10.	297	+	186	=	483

Oefening 3
1.	408	+	350	=	758
2.	336	+	306	=	642
3.	499	+	314	=	813
4.	381	+	128	=	509
5.	333	+	110	=	443
6.	496	+	280	=	776
7.	448	+	180	=	628
8.	222	+	126	=	348
9.	412	+	202	=	614
10.	192	+	109	=	301

Oefening 4
1.	497	+	479	=	976
2.	206	+	170	=	376
3.	271	+	257	=	528
4.	157	+	145	=	302
5.	355	+	155	=	510
6.	420	+	191	=	611
7.	330	+	254	=	584
8.	359	+	199	=	558
9.	233	+	226	=	459
10.	433	+	267	=	700