Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	967	+		=	1.839
2.	978	+		=	1.266
3.	897	+		=	1.365
4.	946	+		=	1.190
5.	428	+		=	747
6.	844	+		=	1.153
7.	581	+		=	986
8.	853	+		=	1.408
9.	561	+		=	852
10.	410	+		=	764

Oefening 2
1.	444	+		=	689
2.	797	+		=	1.118
3.	935	+		=	1.543
4.	886	+		=	1.241
5.	703	+		=	1.113
6.	327	+		=	633
7.	928	+		=	1.509
8.	598	+		=	803
9.	877	+		=	1.749
10.	516	+		=	830

Oefening 3
1.	821	+		=	1.246
2.	899	+		=	1.523
3.	802	+		=	1.463
4.	892	+		=	1.221
5.	413	+		=	785
6.	846	+		=	1.345
7.	755	+		=	1.347
8.	555	+		=	1.047
9.	861	+		=	1.544
10.	895	+		=	1.342

Oefening 4
1.	733	+		=	1.003
2.	742	+		=	1.036
3.	574	+		=	1.105
4.	892	+		=	1.211
5.	748	+		=	1.085
6.	926	+		=	1.784
7.	300	+		=	598
8.	887	+		=	1.139
9.	643	+		=	1.156
10.	963	+		=	1.755

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	967	+	872	=	1.839
2.	978	+	288	=	1.266
3.	897	+	468	=	1.365
4.	946	+	244	=	1.190
5.	428	+	319	=	747
6.	844	+	309	=	1.153
7.	581	+	405	=	986
8.	853	+	555	=	1.408
9.	561	+	291	=	852
10.	410	+	354	=	764

Oefening 2
1.	444	+	245	=	689
2.	797	+	321	=	1.118
3.	935	+	608	=	1.543
4.	886	+	355	=	1.241
5.	703	+	410	=	1.113
6.	327	+	306	=	633
7.	928	+	581	=	1.509
8.	598	+	205	=	803
9.	877	+	872	=	1.749
10.	516	+	314	=	830

Oefening 3
1.	821	+	425	=	1.246
2.	899	+	624	=	1.523
3.	802	+	661	=	1.463
4.	892	+	329	=	1.221
5.	413	+	372	=	785
6.	846	+	499	=	1.345
7.	755	+	592	=	1.347
8.	555	+	492	=	1.047
9.	861	+	683	=	1.544
10.	895	+	447	=	1.342

Oefening 4
1.	733	+	270	=	1.003
2.	742	+	294	=	1.036
3.	574	+	531	=	1.105
4.	892	+	319	=	1.211
5.	748	+	337	=	1.085
6.	926	+	858	=	1.784
7.	300	+	298	=	598
8.	887	+	252	=	1.139
9.	643	+	513	=	1.156
10.	963	+	792	=	1.755