Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	97	+		=	163
2.	73	+		=	128
3.	49	+		=	89
4.	44	+		=	65
5.	37	+		=	73
6.	100	+		=	121
7.	50	+		=	97
8.	67	+		=	130
9.	82	+		=	115
10.	97	+		=	180

Oefening 2
1.	83	+		=	116
2.	87	+		=	136
3.	64	+		=	127
4.	67	+		=	132
5.	47	+		=	92
6.	79	+		=	143
7.	71	+		=	105
8.	78	+		=	141
9.	99	+		=	150
10.	72	+		=	134

Oefening 3
1.	55	+		=	76
2.	91	+		=	169
3.	74	+		=	135
4.	86	+		=	161
5.	46	+		=	79
6.	67	+		=	104
7.	87	+		=	121
8.	42	+		=	80
9.	75	+		=	149
10.	77	+		=	147

Oefening 4
1.	39	+		=	59
2.	80	+		=	141
3.	81	+		=	134
4.	99	+		=	129
5.	97	+		=	181
6.	92	+		=	177
7.	92	+		=	169
8.	65	+		=	130
9.	88	+		=	120
10.	87	+		=	135

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	97	+	66	=	163
2.	73	+	55	=	128
3.	49	+	40	=	89
4.	44	+	21	=	65
5.	37	+	36	=	73
6.	100	+	21	=	121
7.	50	+	47	=	97
8.	67	+	63	=	130
9.	82	+	33	=	115
10.	97	+	83	=	180

Oefening 2
1.	83	+	33	=	116
2.	87	+	49	=	136
3.	64	+	63	=	127
4.	67	+	65	=	132
5.	47	+	45	=	92
6.	79	+	64	=	143
7.	71	+	34	=	105
8.	78	+	63	=	141
9.	99	+	51	=	150
10.	72	+	62	=	134

Oefening 3
1.	55	+	21	=	76
2.	91	+	78	=	169
3.	74	+	61	=	135
4.	86	+	75	=	161
5.	46	+	33	=	79
6.	67	+	37	=	104
7.	87	+	34	=	121
8.	42	+	38	=	80
9.	75	+	74	=	149
10.	77	+	70	=	147

Oefening 4
1.	39	+	20	=	59
2.	80	+	61	=	141
3.	81	+	53	=	134
4.	99	+	30	=	129
5.	97	+	84	=	181
6.	92	+	85	=	177
7.	92	+	77	=	169
8.	65	+	65	=	130
9.	88	+	32	=	120
10.	87	+	48	=	135