Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	315	+		=	418
2.	250	+		=	450
3.	261	+		=	362
4.	372	+		=	631
5.	288	+		=	402
6.	244	+		=	351
7.	445	+		=	811
8.	269	+		=	450
9.	436	+		=	597
10.	436	+		=	753

Oefening 2
1.	409	+		=	595
2.	219	+		=	427
3.	481	+		=	788
4.	490	+		=	855
5.	426	+		=	595
6.	330	+		=	611
7.	269	+		=	428
8.	471	+		=	662
9.	209	+		=	332
10.	447	+		=	728

Oefening 3
1.	208	+		=	409
2.	471	+		=	601
3.	279	+		=	395
4.	300	+		=	507
5.	480	+		=	725
6.	327	+		=	630
7.	238	+		=	361
8.	458	+		=	887
9.	304	+		=	604
10.	457	+		=	738

Oefening 4
1.	320	+		=	424
2.	464	+		=	724
3.	422	+		=	527
4.	323	+		=	449
5.	191	+		=	325
6.	486	+		=	910
7.	410	+		=	767
8.	496	+		=	612
9.	383	+		=	765
10.	460	+		=	914

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	315	+	103	=	418
2.	250	+	200	=	450
3.	261	+	101	=	362
4.	372	+	259	=	631
5.	288	+	114	=	402
6.	244	+	107	=	351
7.	445	+	366	=	811
8.	269	+	181	=	450
9.	436	+	161	=	597
10.	436	+	317	=	753

Oefening 2
1.	409	+	186	=	595
2.	219	+	208	=	427
3.	481	+	307	=	788
4.	490	+	365	=	855
5.	426	+	169	=	595
6.	330	+	281	=	611
7.	269	+	159	=	428
8.	471	+	191	=	662
9.	209	+	123	=	332
10.	447	+	281	=	728

Oefening 3
1.	208	+	201	=	409
2.	471	+	130	=	601
3.	279	+	116	=	395
4.	300	+	207	=	507
5.	480	+	245	=	725
6.	327	+	303	=	630
7.	238	+	123	=	361
8.	458	+	429	=	887
9.	304	+	300	=	604
10.	457	+	281	=	738

Oefening 4
1.	320	+	104	=	424
2.	464	+	260	=	724
3.	422	+	105	=	527
4.	323	+	126	=	449
5.	191	+	134	=	325
6.	486	+	424	=	910
7.	410	+	357	=	767
8.	496	+	116	=	612
9.	383	+	382	=	765
10.	460	+	454	=	914