Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	63	+		=	105
2.	63	+		=	87
3.	74	+		=	109
4.	74	+		=	105
5.	73	+		=	135
6.	69	+		=	133
7.	73	+		=	143
8.	91	+		=	135
9.	87	+		=	116
10.	80	+		=	121

Oefening 2
1.	90	+		=	180
2.	92	+		=	170
3.	95	+		=	154
4.	98	+		=	139
5.	93	+		=	132
6.	64	+		=	123
7.	74	+		=	105
8.	32	+		=	52
9.	97	+		=	176
10.	98	+		=	153

Oefening 3
1.	60	+		=	105
2.	96	+		=	172
3.	30	+		=	54
4.	44	+		=	77
5.	44	+		=	68
6.	93	+		=	135
7.	75	+		=	131
8.	75	+		=	140
9.	82	+		=	114
10.	78	+		=	105

Oefening 4
1.	75	+		=	135
2.	100	+		=	142
3.	42	+		=	78
4.	89	+		=	170
5.	99	+		=	152
6.	100	+		=	127
7.	97	+		=	141
8.	97	+		=	186
9.	67	+		=	94
10.	45	+		=	66

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	63	+	42	=	105
2.	63	+	24	=	87
3.	74	+	35	=	109
4.	74	+	31	=	105
5.	73	+	62	=	135
6.	69	+	64	=	133
7.	73	+	70	=	143
8.	91	+	44	=	135
9.	87	+	29	=	116
10.	80	+	41	=	121

Oefening 2
1.	90	+	90	=	180
2.	92	+	78	=	170
3.	95	+	59	=	154
4.	98	+	41	=	139
5.	93	+	39	=	132
6.	64	+	59	=	123
7.	74	+	31	=	105
8.	32	+	20	=	52
9.	97	+	79	=	176
10.	98	+	55	=	153

Oefening 3
1.	60	+	45	=	105
2.	96	+	76	=	172
3.	30	+	24	=	54
4.	44	+	33	=	77
5.	44	+	24	=	68
6.	93	+	42	=	135
7.	75	+	56	=	131
8.	75	+	65	=	140
9.	82	+	32	=	114
10.	78	+	27	=	105

Oefening 4
1.	75	+	60	=	135
2.	100	+	42	=	142
3.	42	+	36	=	78
4.	89	+	81	=	170
5.	99	+	53	=	152
6.	100	+	27	=	127
7.	97	+	44	=	141
8.	97	+	89	=	186
9.	67	+	27	=	94
10.	45	+	21	=	66