Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	943	+		=	1.435
2.	764	+		=	1.433
3.	412	+		=	786
4.	371	+		=	711
5.	612	+		=	1.046
6.	939	+		=	1.579
7.	863	+		=	1.391
8.	823	+		=	1.261
9.	919	+		=	1.143
10.	772	+		=	1.526

Oefening 2
1.	914	+		=	1.617
2.	721	+		=	1.341
3.	680	+		=	1.236
4.	700	+		=	1.094
5.	451	+		=	778
6.	880	+		=	1.760
7.	761	+		=	1.325
8.	960	+		=	1.308
9.	740	+		=	1.213
10.	964	+		=	1.462

Oefening 3
1.	963	+		=	1.916
2.	475	+		=	917
3.	244	+		=	471
4.	814	+		=	1.487
5.	782	+		=	1.030
6.	879	+		=	1.355
7.	427	+		=	627
8.	786	+		=	1.382
9.	833	+		=	1.592
10.	920	+		=	1.498

Oefening 4
1.	752	+		=	1.467
2.	746	+		=	1.133
3.	791	+		=	1.062
4.	502	+		=	890
5.	262	+		=	475
6.	708	+		=	1.386
7.	490	+		=	732
8.	705	+		=	1.368
9.	920	+		=	1.789
10.	850	+		=	1.464

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	943	+	492	=	1.435
2.	764	+	669	=	1.433
3.	412	+	374	=	786
4.	371	+	340	=	711
5.	612	+	434	=	1.046
6.	939	+	640	=	1.579
7.	863	+	528	=	1.391
8.	823	+	438	=	1.261
9.	919	+	224	=	1.143
10.	772	+	754	=	1.526

Oefening 2
1.	914	+	703	=	1.617
2.	721	+	620	=	1.341
3.	680	+	556	=	1.236
4.	700	+	394	=	1.094
5.	451	+	327	=	778
6.	880	+	880	=	1.760
7.	761	+	564	=	1.325
8.	960	+	348	=	1.308
9.	740	+	473	=	1.213
10.	964	+	498	=	1.462

Oefening 3
1.	963	+	953	=	1.916
2.	475	+	442	=	917
3.	244	+	227	=	471
4.	814	+	673	=	1.487
5.	782	+	248	=	1.030
6.	879	+	476	=	1.355
7.	427	+	200	=	627
8.	786	+	596	=	1.382
9.	833	+	759	=	1.592
10.	920	+	578	=	1.498

Oefening 4
1.	752	+	715	=	1.467
2.	746	+	387	=	1.133
3.	791	+	271	=	1.062
4.	502	+	388	=	890
5.	262	+	213	=	475
6.	708	+	678	=	1.386
7.	490	+	242	=	732
8.	705	+	663	=	1.368
9.	920	+	869	=	1.789
10.	850	+	614	=	1.464