Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	471	+		=	885
2.	201	+		=	314
3.	347	+		=	546
4.	258	+		=	456
5.	340	+		=	613
6.	483	+		=	675
7.	266	+		=	502
8.	359	+		=	590
9.	449	+		=	753
10.	172	+		=	338

Oefening 2
1.	420	+		=	728
2.	361	+		=	577
3.	430	+		=	846
4.	415	+		=	690
5.	464	+		=	712
6.	460	+		=	809
7.	251	+		=	472
8.	443	+		=	702
9.	251	+		=	471
10.	282	+		=	402

Oefening 3
1.	250	+		=	373
2.	432	+		=	797
3.	426	+		=	605
4.	400	+		=	616
5.	498	+		=	851
6.	496	+		=	710
7.	442	+		=	878
8.	465	+		=	644
9.	445	+		=	836
10.	389	+		=	693

Oefening 4
1.	232	+		=	455
2.	285	+		=	385
3.	392	+		=	680
4.	347	+		=	611
5.	444	+		=	817
6.	339	+		=	464
7.	213	+		=	335
8.	490	+		=	964
9.	497	+		=	794
10.	407	+		=	793

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	471	+	414	=	885
2.	201	+	113	=	314
3.	347	+	199	=	546
4.	258	+	198	=	456
5.	340	+	273	=	613
6.	483	+	192	=	675
7.	266	+	236	=	502
8.	359	+	231	=	590
9.	449	+	304	=	753
10.	172	+	166	=	338

Oefening 2
1.	420	+	308	=	728
2.	361	+	216	=	577
3.	430	+	416	=	846
4.	415	+	275	=	690
5.	464	+	248	=	712
6.	460	+	349	=	809
7.	251	+	221	=	472
8.	443	+	259	=	702
9.	251	+	220	=	471
10.	282	+	120	=	402

Oefening 3
1.	250	+	123	=	373
2.	432	+	365	=	797
3.	426	+	179	=	605
4.	400	+	216	=	616
5.	498	+	353	=	851
6.	496	+	214	=	710
7.	442	+	436	=	878
8.	465	+	179	=	644
9.	445	+	391	=	836
10.	389	+	304	=	693

Oefening 4
1.	232	+	223	=	455
2.	285	+	100	=	385
3.	392	+	288	=	680
4.	347	+	264	=	611
5.	444	+	373	=	817
6.	339	+	125	=	464
7.	213	+	122	=	335
8.	490	+	474	=	964
9.	497	+	297	=	794
10.	407	+	386	=	793