Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	370	+		=	707
2.	439	+		=	624
3.	444	+		=	635
4.	410	+		=	618
5.	363	+		=	666
6.	315	+		=	610
7.	369	+		=	547
8.	409	+		=	752
9.	399	+		=	570
10.	345	+		=	569

Oefening 2
1.	301	+		=	430
2.	459	+		=	875
3.	430	+		=	590
4.	458	+		=	600
5.	499	+		=	978
6.	383	+		=	520
7.	370	+		=	706
8.	336	+		=	588
9.	406	+		=	658
10.	317	+		=	417

Oefening 3
1.	483	+		=	611
2.	332	+		=	605
3.	487	+		=	860
4.	401	+		=	596
5.	464	+		=	774
6.	485	+		=	636
7.	428	+		=	829
8.	479	+		=	594
9.	438	+		=	592
10.	431	+		=	733

Oefening 4
1.	495	+		=	681
2.	268	+		=	391
3.	471	+		=	765
4.	455	+		=	790
5.	467	+		=	576
6.	227	+		=	406
7.	497	+		=	599
8.	377	+		=	618
9.	325	+		=	605
10.	470	+		=	666

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	370	+	337	=	707
2.	439	+	185	=	624
3.	444	+	191	=	635
4.	410	+	208	=	618
5.	363	+	303	=	666
6.	315	+	295	=	610
7.	369	+	178	=	547
8.	409	+	343	=	752
9.	399	+	171	=	570
10.	345	+	224	=	569

Oefening 2
1.	301	+	129	=	430
2.	459	+	416	=	875
3.	430	+	160	=	590
4.	458	+	142	=	600
5.	499	+	479	=	978
6.	383	+	137	=	520
7.	370	+	336	=	706
8.	336	+	252	=	588
9.	406	+	252	=	658
10.	317	+	100	=	417

Oefening 3
1.	483	+	128	=	611
2.	332	+	273	=	605
3.	487	+	373	=	860
4.	401	+	195	=	596
5.	464	+	310	=	774
6.	485	+	151	=	636
7.	428	+	401	=	829
8.	479	+	115	=	594
9.	438	+	154	=	592
10.	431	+	302	=	733

Oefening 4
1.	495	+	186	=	681
2.	268	+	123	=	391
3.	471	+	294	=	765
4.	455	+	335	=	790
5.	467	+	109	=	576
6.	227	+	179	=	406
7.	497	+	102	=	599
8.	377	+	241	=	618
9.	325	+	280	=	605
10.	470	+	196	=	666