Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	299	+		=	533
2.	908	+		=	1.781
3.	900	+		=	1.792
4.	431	+		=	833
5.	910	+		=	1.167
6.	979	+		=	1.940
7.	626	+		=	1.011
8.	822	+		=	1.222
9.	823	+		=	1.598
10.	503	+		=	734

Oefening 2
1.	794	+		=	1.023
2.	940	+		=	1.344
3.	794	+		=	1.118
4.	918	+		=	1.364
5.	991	+		=	1.590
6.	639	+		=	1.233
7.	497	+		=	848
8.	662	+		=	1.022
9.	673	+		=	898
10.	681	+		=	1.072

Oefening 3
1.	659	+		=	1.271
2.	649	+		=	1.166
3.	961	+		=	1.348
4.	855	+		=	1.236
5.	917	+		=	1.227
6.	535	+		=	784
7.	584	+		=	1.009
8.	571	+		=	1.021
9.	615	+		=	923
10.	793	+		=	1.177

Oefening 4
1.	950	+		=	1.466
2.	500	+		=	940
3.	533	+		=	802
4.	968	+		=	1.873
5.	963	+		=	1.291
6.	821	+		=	1.240
7.	622	+		=	968
8.	968	+		=	1.258
9.	767	+		=	1.427
10.	845	+		=	1.187

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	299	+	234	=	533
2.	908	+	873	=	1.781
3.	900	+	892	=	1.792
4.	431	+	402	=	833
5.	910	+	257	=	1.167
6.	979	+	961	=	1.940
7.	626	+	385	=	1.011
8.	822	+	400	=	1.222
9.	823	+	775	=	1.598
10.	503	+	231	=	734

Oefening 2
1.	794	+	229	=	1.023
2.	940	+	404	=	1.344
3.	794	+	324	=	1.118
4.	918	+	446	=	1.364
5.	991	+	599	=	1.590
6.	639	+	594	=	1.233
7.	497	+	351	=	848
8.	662	+	360	=	1.022
9.	673	+	225	=	898
10.	681	+	391	=	1.072

Oefening 3
1.	659	+	612	=	1.271
2.	649	+	517	=	1.166
3.	961	+	387	=	1.348
4.	855	+	381	=	1.236
5.	917	+	310	=	1.227
6.	535	+	249	=	784
7.	584	+	425	=	1.009
8.	571	+	450	=	1.021
9.	615	+	308	=	923
10.	793	+	384	=	1.177

Oefening 4
1.	950	+	516	=	1.466
2.	500	+	440	=	940
3.	533	+	269	=	802
4.	968	+	905	=	1.873
5.	963	+	328	=	1.291
6.	821	+	419	=	1.240
7.	622	+	346	=	968
8.	968	+	290	=	1.258
9.	767	+	660	=	1.427
10.	845	+	342	=	1.187