Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	361	+		=	557
2.	174	+		=	309
3.	486	+		=	793
4.	361	+		=	595
5.	478	+		=	870
6.	223	+		=	351
7.	359	+		=	664
8.	271	+		=	496
9.	249	+		=	380
10.	317	+		=	605

Oefening 2
1.	412	+		=	746
2.	357	+		=	493
3.	454	+		=	623
4.	240	+		=	437
5.	471	+		=	585
6.	269	+		=	486
7.	216	+		=	417
8.	493	+		=	675
9.	464	+		=	808
10.	441	+		=	680

Oefening 3
1.	451	+		=	669
2.	248	+		=	461
3.	422	+		=	535
4.	142	+		=	260
5.	287	+		=	389
6.	492	+		=	664
7.	301	+		=	573
8.	363	+		=	621
9.	486	+		=	790
10.	358	+		=	590

Oefening 4
1.	362	+		=	485
2.	433	+		=	608
3.	421	+		=	599
4.	361	+		=	598
5.	167	+		=	333
6.	448	+		=	572
7.	356	+		=	473
8.	201	+		=	343
9.	246	+		=	390
10.	467	+		=	648

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	361	+	196	=	557
2.	174	+	135	=	309
3.	486	+	307	=	793
4.	361	+	234	=	595
5.	478	+	392	=	870
6.	223	+	128	=	351
7.	359	+	305	=	664
8.	271	+	225	=	496
9.	249	+	131	=	380
10.	317	+	288	=	605

Oefening 2
1.	412	+	334	=	746
2.	357	+	136	=	493
3.	454	+	169	=	623
4.	240	+	197	=	437
5.	471	+	114	=	585
6.	269	+	217	=	486
7.	216	+	201	=	417
8.	493	+	182	=	675
9.	464	+	344	=	808
10.	441	+	239	=	680

Oefening 3
1.	451	+	218	=	669
2.	248	+	213	=	461
3.	422	+	113	=	535
4.	142	+	118	=	260
5.	287	+	102	=	389
6.	492	+	172	=	664
7.	301	+	272	=	573
8.	363	+	258	=	621
9.	486	+	304	=	790
10.	358	+	232	=	590

Oefening 4
1.	362	+	123	=	485
2.	433	+	175	=	608
3.	421	+	178	=	599
4.	361	+	237	=	598
5.	167	+	166	=	333
6.	448	+	124	=	572
7.	356	+	117	=	473
8.	201	+	142	=	343
9.	246	+	144	=	390
10.	467	+	181	=	648