Chọn đáp án đúng giúp mk
Cho đoạn thẳng 2003cm" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">AB=22003cm. Gọi 1" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">M1 là trung điểm của đoạn thẳng AB, 2" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">M2 là trung điểm của đoạn thẳng 1B" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">M1B, 3" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">M3 là trung điểm của đoạn thẳng 2B" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">M2B;.....; 2003" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">M2003 là trung điểm của đoạn thẳng 2003B" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">M2003B.
Độ dài đoạn thẳng 2003B" role="presentation" style="border:0px; direction:ltr; display:inline-table; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">M2003B là:
A. 2cm
B. 1cm
C. 2002cm" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">22002cm
D. 2001cm" role="presentation" style="border:0px; direction:ltr; display:inline; float:none; font-family:inherit; font-stretch:inherit; font-variant:inherit; line-height:normal; margin:0px; max-height:none; max-width:none; min-height:0px; min-width:0px; overflow-wrap:normal; padding:0px; position:relative; text-align:left; vertical-align:baseline; white-space:nowrap; word-spacing:normal" class="MathJax">22001cm
