Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	457	+		=	714
2.	353	+		=	492
3.	328	+		=	549
4.	485	+		=	773
5.	416	+		=	778
6.	315	+		=	540
7.	378	+		=	640
8.	464	+		=	872
9.	446	+		=	727
10.	441	+		=	716

Oefening 2
1.	438	+		=	793
2.	479	+		=	650
3.	389	+		=	770
4.	311	+		=	419
5.	288	+		=	452
6.	464	+		=	678
7.	252	+		=	447
8.	124	+		=	237
9.	431	+		=	570
10.	435	+		=	695

Oefening 3
1.	184	+		=	342
2.	270	+		=	452
3.	211	+		=	327
4.	427	+		=	754
5.	431	+		=	562
6.	382	+		=	558
7.	416	+		=	649
8.	438	+		=	641
9.	492	+		=	639
10.	456	+		=	658

Oefening 4
1.	444	+		=	884
2.	497	+		=	687
3.	389	+		=	709
4.	210	+		=	389
5.	336	+		=	632
6.	339	+		=	532
7.	397	+		=	569
8.	480	+		=	817
9.	498	+		=	927
10.	188	+		=	314

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	457	+	257	=	714
2.	353	+	139	=	492
3.	328	+	221	=	549
4.	485	+	288	=	773
5.	416	+	362	=	778
6.	315	+	225	=	540
7.	378	+	262	=	640
8.	464	+	408	=	872
9.	446	+	281	=	727
10.	441	+	275	=	716

Oefening 2
1.	438	+	355	=	793
2.	479	+	171	=	650
3.	389	+	381	=	770
4.	311	+	108	=	419
5.	288	+	164	=	452
6.	464	+	214	=	678
7.	252	+	195	=	447
8.	124	+	113	=	237
9.	431	+	139	=	570
10.	435	+	260	=	695

Oefening 3
1.	184	+	158	=	342
2.	270	+	182	=	452
3.	211	+	116	=	327
4.	427	+	327	=	754
5.	431	+	131	=	562
6.	382	+	176	=	558
7.	416	+	233	=	649
8.	438	+	203	=	641
9.	492	+	147	=	639
10.	456	+	202	=	658

Oefening 4
1.	444	+	440	=	884
2.	497	+	190	=	687
3.	389	+	320	=	709
4.	210	+	179	=	389
5.	336	+	296	=	632
6.	339	+	193	=	532
7.	397	+	172	=	569
8.	480	+	337	=	817
9.	498	+	429	=	927
10.	188	+	126	=	314