Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	416	+		=	815
2.	558	+		=	960
3.	968	+		=	1.345
4.	698	+		=	1.148
5.	556	+		=	871
6.	726	+		=	1.280
7.	724	+		=	1.372
8.	749	+		=	1.470
9.	627	+		=	1.187
10.	936	+		=	1.280

Oefening 2
1.	535	+		=	1.058
2.	977	+		=	1.799
3.	823	+		=	1.273
4.	765	+		=	1.192
5.	950	+		=	1.413
6.	586	+		=	1.054
7.	910	+		=	1.651
8.	877	+		=	1.694
9.	562	+		=	1.043
10.	800	+		=	1.413

Oefening 3
1.	970	+		=	1.440
2.	899	+		=	1.168
3.	762	+		=	980
4.	658	+		=	1.227
5.	892	+		=	1.301
6.	337	+		=	664
7.	510	+		=	810
8.	900	+		=	1.512
9.	707	+		=	936
10.	497	+		=	957

Oefening 4
1.	591	+		=	943
2.	844	+		=	1.438
3.	321	+		=	600
4.	855	+		=	1.454
5.	862	+		=	1.558
6.	677	+		=	1.009
7.	815	+		=	1.405
8.	969	+		=	1.776
9.	868	+		=	1.231
10.	834	+		=	1.590

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	416	+	399	=	815
2.	558	+	402	=	960
3.	968	+	377	=	1.345
4.	698	+	450	=	1.148
5.	556	+	315	=	871
6.	726	+	554	=	1.280
7.	724	+	648	=	1.372
8.	749	+	721	=	1.470
9.	627	+	560	=	1.187
10.	936	+	344	=	1.280

Oefening 2
1.	535	+	523	=	1.058
2.	977	+	822	=	1.799
3.	823	+	450	=	1.273
4.	765	+	427	=	1.192
5.	950	+	463	=	1.413
6.	586	+	468	=	1.054
7.	910	+	741	=	1.651
8.	877	+	817	=	1.694
9.	562	+	481	=	1.043
10.	800	+	613	=	1.413

Oefening 3
1.	970	+	470	=	1.440
2.	899	+	269	=	1.168
3.	762	+	218	=	980
4.	658	+	569	=	1.227
5.	892	+	409	=	1.301
6.	337	+	327	=	664
7.	510	+	300	=	810
8.	900	+	612	=	1.512
9.	707	+	229	=	936
10.	497	+	460	=	957

Oefening 4
1.	591	+	352	=	943
2.	844	+	594	=	1.438
3.	321	+	279	=	600
4.	855	+	599	=	1.454
5.	862	+	696	=	1.558
6.	677	+	332	=	1.009
7.	815	+	590	=	1.405
8.	969	+	807	=	1.776
9.	868	+	363	=	1.231
10.	834	+	756	=	1.590