Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	417	+		=	596
2.	361	+		=	464
3.	478	+		=	774
4.	299	+		=	574
5.	348	+		=	693
6.	413	+		=	754
7.	461	+		=	768
8.	464	+		=	826
9.	233	+		=	458
10.	212	+		=	416

Oefening 2
1.	487	+		=	886
2.	452	+		=	840
3.	321	+		=	583
4.	337	+		=	455
5.	497	+		=	988
6.	465	+		=	724
7.	210	+		=	383
8.	370	+		=	556
9.	430	+		=	769
10.	333	+		=	563

Oefening 3
1.	355	+		=	587
2.	298	+		=	470
3.	371	+		=	583
4.	469	+		=	817
5.	495	+		=	855
6.	306	+		=	513
7.	324	+		=	510
8.	497	+		=	789
9.	222	+		=	330
10.	432	+		=	692

Oefening 4
1.	253	+		=	358
2.	397	+		=	757
3.	483	+		=	693
4.	226	+		=	378
5.	485	+		=	920
6.	424	+		=	792
7.	222	+		=	365
8.	462	+		=	691
9.	446	+		=	877
10.	472	+		=	747

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	417	+	179	=	596
2.	361	+	103	=	464
3.	478	+	296	=	774
4.	299	+	275	=	574
5.	348	+	345	=	693
6.	413	+	341	=	754
7.	461	+	307	=	768
8.	464	+	362	=	826
9.	233	+	225	=	458
10.	212	+	204	=	416

Oefening 2
1.	487	+	399	=	886
2.	452	+	388	=	840
3.	321	+	262	=	583
4.	337	+	118	=	455
5.	497	+	491	=	988
6.	465	+	259	=	724
7.	210	+	173	=	383
8.	370	+	186	=	556
9.	430	+	339	=	769
10.	333	+	230	=	563

Oefening 3
1.	355	+	232	=	587
2.	298	+	172	=	470
3.	371	+	212	=	583
4.	469	+	348	=	817
5.	495	+	360	=	855
6.	306	+	207	=	513
7.	324	+	186	=	510
8.	497	+	292	=	789
9.	222	+	108	=	330
10.	432	+	260	=	692

Oefening 4
1.	253	+	105	=	358
2.	397	+	360	=	757
3.	483	+	210	=	693
4.	226	+	152	=	378
5.	485	+	435	=	920
6.	424	+	368	=	792
7.	222	+	143	=	365
8.	462	+	229	=	691
9.	446	+	431	=	877
10.	472	+	275	=	747