Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	488	+		=	680
2.	457	+		=	586
3.	238	+		=	409
4.	495	+		=	963
5.	222	+		=	361
6.	153	+		=	294
7.	217	+		=	346
8.	362	+		=	635
9.	247	+		=	396
10.	358	+		=	591

Oefening 2
1.	431	+		=	826
2.	257	+		=	513
3.	332	+		=	449
4.	436	+		=	829
5.	212	+		=	391
6.	285	+		=	434
7.	270	+		=	488
8.	448	+		=	667
9.	431	+		=	686
10.	312	+		=	417

Oefening 3
1.	310	+		=	426
2.	268	+		=	380
3.	375	+		=	605
4.	366	+		=	601
5.	218	+		=	388
6.	456	+		=	743
7.	249	+		=	429
8.	422	+		=	681
9.	472	+		=	710
10.	345	+		=	616

Oefening 4
1.	142	+		=	281
2.	440	+		=	591
3.	339	+		=	528
4.	431	+		=	689
5.	207	+		=	375
6.	253	+		=	390
7.	344	+		=	461
8.	293	+		=	411
9.	406	+		=	740
10.	225	+		=	354

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	488	+	192	=	680
2.	457	+	129	=	586
3.	238	+	171	=	409
4.	495	+	468	=	963
5.	222	+	139	=	361
6.	153	+	141	=	294
7.	217	+	129	=	346
8.	362	+	273	=	635
9.	247	+	149	=	396
10.	358	+	233	=	591

Oefening 2
1.	431	+	395	=	826
2.	257	+	256	=	513
3.	332	+	117	=	449
4.	436	+	393	=	829
5.	212	+	179	=	391
6.	285	+	149	=	434
7.	270	+	218	=	488
8.	448	+	219	=	667
9.	431	+	255	=	686
10.	312	+	105	=	417

Oefening 3
1.	310	+	116	=	426
2.	268	+	112	=	380
3.	375	+	230	=	605
4.	366	+	235	=	601
5.	218	+	170	=	388
6.	456	+	287	=	743
7.	249	+	180	=	429
8.	422	+	259	=	681
9.	472	+	238	=	710
10.	345	+	271	=	616

Oefening 4
1.	142	+	139	=	281
2.	440	+	151	=	591
3.	339	+	189	=	528
4.	431	+	258	=	689
5.	207	+	168	=	375
6.	253	+	137	=	390
7.	344	+	117	=	461
8.	293	+	118	=	411
9.	406	+	334	=	740
10.	225	+	129	=	354