Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	689	+		=	1.290
2.	454	+		=	881
3.	952	+		=	1.260
4.	994	+		=	1.580
5.	552	+		=	862
6.	960	+		=	1.238
7.	784	+		=	1.257
8.	730	+		=	1.219
9.	975	+		=	1.266
10.	533	+		=	880

Oefening 2
1.	985	+		=	1.675
2.	623	+		=	969
3.	854	+		=	1.078
4.	975	+		=	1.903
5.	931	+		=	1.253
6.	893	+		=	1.476
7.	671	+		=	1.246
8.	411	+		=	735
9.	539	+		=	767
10.	469	+		=	707

Oefening 3
1.	629	+		=	1.154
2.	578	+		=	890
3.	308	+		=	583
4.	561	+		=	784
5.	772	+		=	1.169
6.	849	+		=	1.461
7.	820	+		=	1.064
8.	787	+		=	1.268
9.	569	+		=	1.034
10.	381	+		=	753

Oefening 4
1.	650	+		=	933
2.	741	+		=	975
3.	958	+		=	1.244
4.	650	+		=	853
5.	613	+		=	866
6.	643	+		=	872
7.	694	+		=	897
8.	561	+		=	952
9.	830	+		=	1.040
10.	344	+		=	623

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	689	+	601	=	1.290
2.	454	+	427	=	881
3.	952	+	308	=	1.260
4.	994	+	586	=	1.580
5.	552	+	310	=	862
6.	960	+	278	=	1.238
7.	784	+	473	=	1.257
8.	730	+	489	=	1.219
9.	975	+	291	=	1.266
10.	533	+	347	=	880

Oefening 2
1.	985	+	690	=	1.675
2.	623	+	346	=	969
3.	854	+	224	=	1.078
4.	975	+	928	=	1.903
5.	931	+	322	=	1.253
6.	893	+	583	=	1.476
7.	671	+	575	=	1.246
8.	411	+	324	=	735
9.	539	+	228	=	767
10.	469	+	238	=	707

Oefening 3
1.	629	+	525	=	1.154
2.	578	+	312	=	890
3.	308	+	275	=	583
4.	561	+	223	=	784
5.	772	+	397	=	1.169
6.	849	+	612	=	1.461
7.	820	+	244	=	1.064
8.	787	+	481	=	1.268
9.	569	+	465	=	1.034
10.	381	+	372	=	753

Oefening 4
1.	650	+	283	=	933
2.	741	+	234	=	975
3.	958	+	286	=	1.244
4.	650	+	203	=	853
5.	613	+	253	=	866
6.	643	+	229	=	872
7.	694	+	203	=	897
8.	561	+	391	=	952
9.	830	+	210	=	1.040
10.	344	+	279	=	623