Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	304	+		=	579
2.	476	+		=	947
3.	441	+		=	838
4.	363	+		=	606
5.	470	+		=	661
6.	421	+		=	691
7.	485	+		=	783
8.	301	+		=	476
9.	308	+		=	428
10.	326	+		=	433

Oefening 2
1.	430	+		=	848
2.	333	+		=	490
3.	483	+		=	947
4.	252	+		=	502
5.	355	+		=	666
6.	402	+		=	584
7.	401	+		=	501
8.	376	+		=	670
9.	419	+		=	745
10.	386	+		=	725

Oefening 3
1.	128	+		=	244
2.	426	+		=	728
3.	277	+		=	429
4.	383	+		=	745
5.	213	+		=	356
6.	462	+		=	848
7.	366	+		=	501
8.	491	+		=	644
9.	373	+		=	491
10.	491	+		=	627

Oefening 4
1.	332	+		=	551
2.	271	+		=	481
3.	366	+		=	586
4.	223	+		=	416
5.	344	+		=	469
6.	454	+		=	609
7.	327	+		=	471
8.	352	+		=	676
9.	323	+		=	510
10.	431	+		=	800

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	304	+	275	=	579
2.	476	+	471	=	947
3.	441	+	397	=	838
4.	363	+	243	=	606
5.	470	+	191	=	661
6.	421	+	270	=	691
7.	485	+	298	=	783
8.	301	+	175	=	476
9.	308	+	120	=	428
10.	326	+	107	=	433

Oefening 2
1.	430	+	418	=	848
2.	333	+	157	=	490
3.	483	+	464	=	947
4.	252	+	250	=	502
5.	355	+	311	=	666
6.	402	+	182	=	584
7.	401	+	100	=	501
8.	376	+	294	=	670
9.	419	+	326	=	745
10.	386	+	339	=	725

Oefening 3
1.	128	+	116	=	244
2.	426	+	302	=	728
3.	277	+	152	=	429
4.	383	+	362	=	745
5.	213	+	143	=	356
6.	462	+	386	=	848
7.	366	+	135	=	501
8.	491	+	153	=	644
9.	373	+	118	=	491
10.	491	+	136	=	627

Oefening 4
1.	332	+	219	=	551
2.	271	+	210	=	481
3.	366	+	220	=	586
4.	223	+	193	=	416
5.	344	+	125	=	469
6.	454	+	155	=	609
7.	327	+	144	=	471
8.	352	+	324	=	676
9.	323	+	187	=	510
10.	431	+	369	=	800