Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	445	+		=	764
2.	309	+		=	530
3.	365	+		=	513
4.	385	+		=	726
5.	263	+		=	369
6.	387	+		=	586
7.	490	+		=	643
8.	364	+		=	599
9.	411	+		=	710
10.	427	+		=	710

Oefening 2
1.	388	+		=	597
2.	486	+		=	926
3.	378	+		=	613
4.	444	+		=	597
5.	380	+		=	662
6.	225	+		=	448
7.	445	+		=	833
8.	447	+		=	836
9.	495	+		=	606
10.	355	+		=	602

Oefening 3
1.	382	+		=	557
2.	368	+		=	516
3.	454	+		=	660
4.	296	+		=	412
5.	478	+		=	931
6.	159	+		=	288
7.	325	+		=	624
8.	500	+		=	909
9.	485	+		=	612
10.	489	+		=	807

Oefening 4
1.	254	+		=	434
2.	499	+		=	979
3.	461	+		=	743
4.	296	+		=	497
5.	397	+		=	561
6.	491	+		=	801
7.	477	+		=	595
8.	242	+		=	446
9.	198	+		=	384
10.	344	+		=	569

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	445	+	319	=	764
2.	309	+	221	=	530
3.	365	+	148	=	513
4.	385	+	341	=	726
5.	263	+	106	=	369
6.	387	+	199	=	586
7.	490	+	153	=	643
8.	364	+	235	=	599
9.	411	+	299	=	710
10.	427	+	283	=	710

Oefening 2
1.	388	+	209	=	597
2.	486	+	440	=	926
3.	378	+	235	=	613
4.	444	+	153	=	597
5.	380	+	282	=	662
6.	225	+	223	=	448
7.	445	+	388	=	833
8.	447	+	389	=	836
9.	495	+	111	=	606
10.	355	+	247	=	602

Oefening 3
1.	382	+	175	=	557
2.	368	+	148	=	516
3.	454	+	206	=	660
4.	296	+	116	=	412
5.	478	+	453	=	931
6.	159	+	129	=	288
7.	325	+	299	=	624
8.	500	+	409	=	909
9.	485	+	127	=	612
10.	489	+	318	=	807

Oefening 4
1.	254	+	180	=	434
2.	499	+	480	=	979
3.	461	+	282	=	743
4.	296	+	201	=	497
5.	397	+	164	=	561
6.	491	+	310	=	801
7.	477	+	118	=	595
8.	242	+	204	=	446
9.	198	+	186	=	384
10.	344	+	225	=	569