Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	209	+		=	365
2.	472	+		=	935
3.	465	+		=	727
4.	372	+		=	607
5.	151	+		=	256
6.	130	+		=	231
7.	384	+		=	727
8.	291	+		=	403
9.	474	+		=	731
10.	492	+		=	666

Oefening 2
1.	390	+		=	541
2.	436	+		=	636
3.	332	+		=	650
4.	268	+		=	400
5.	366	+		=	496
6.	225	+		=	399
7.	311	+		=	620
8.	147	+		=	294
9.	349	+		=	668
10.	335	+		=	470

Oefening 3
1.	380	+		=	604
2.	402	+		=	743
3.	497	+		=	967
4.	343	+		=	491
5.	481	+		=	602
6.	429	+		=	624
7.	472	+		=	759
8.	464	+		=	599
9.	477	+		=	611
10.	340	+		=	590

Oefening 4
1.	320	+		=	453
2.	371	+		=	521
3.	339	+		=	636
4.	461	+		=	571
5.	433	+		=	718
6.	179	+		=	329
7.	440	+		=	719
8.	426	+		=	750
9.	452	+		=	820
10.	288	+		=	461

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	209	+	156	=	365
2.	472	+	463	=	935
3.	465	+	262	=	727
4.	372	+	235	=	607
5.	151	+	105	=	256
6.	130	+	101	=	231
7.	384	+	343	=	727
8.	291	+	112	=	403
9.	474	+	257	=	731
10.	492	+	174	=	666

Oefening 2
1.	390	+	151	=	541
2.	436	+	200	=	636
3.	332	+	318	=	650
4.	268	+	132	=	400
5.	366	+	130	=	496
6.	225	+	174	=	399
7.	311	+	309	=	620
8.	147	+	147	=	294
9.	349	+	319	=	668
10.	335	+	135	=	470

Oefening 3
1.	380	+	224	=	604
2.	402	+	341	=	743
3.	497	+	470	=	967
4.	343	+	148	=	491
5.	481	+	121	=	602
6.	429	+	195	=	624
7.	472	+	287	=	759
8.	464	+	135	=	599
9.	477	+	134	=	611
10.	340	+	250	=	590

Oefening 4
1.	320	+	133	=	453
2.	371	+	150	=	521
3.	339	+	297	=	636
4.	461	+	110	=	571
5.	433	+	285	=	718
6.	179	+	150	=	329
7.	440	+	279	=	719
8.	426	+	324	=	750
9.	452	+	368	=	820
10.	288	+	173	=	461