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2023-02-16 21:44:16
rút gọn: 4/16= 4:4/16:4= 1/4
36/72= 36:36/72:36= 1/2
9/27= 9:9/27:9= 1/3
Nên: 2/5; 1/4; 3/5; 1/2; 1/3
MSC: 60
2/5= 2x12/5x12= 24/60
1/4= 1x15/4x15= 15/60
3/5= 3x12/5x12= 36/60
1/2= 1x30/ 2x30= 30/60
1/3= 1x20/3x20= 20/60
→36/60, 30/60, 24/60, 20/60, 15/60
Hay 3/5, 1/2, 1/3, 2/5, 1/4
Vậy 3/5> 36/72> 9/27> 2/5> 4/16
2023-02-16 21:30:00
Nửa chu vi hình chữ nhật là:
248 : 2 = 124 ( m )
Chiều rộng hình chữ nhật là:
124 - 45 = 79 ( m )
2023-02-16 21:28:42
2023-02-16 21:18:02
2023-02-16 21:13:41
chúc bạn thi tốt!!!
2023-02-16 21:09:29
13/12= 13x3/12x3= 39/36
19/18= 19x2/18x2= 38/36
đúng tik mik với nhen
chúc bạn học tốt
2023-02-16 21:05:02
2023-02-16 21:04:32
30x25x7x8
=(30x7)x(25x8)
=210x200
=42000
75x8x12x14
=(75x12)x(8x14)
=900x112
=100800
2023-02-16 20:47:53
-B. Tinh Trùng
-A. Trứng
chúc bạn học tốt!!!
2023-02-16 20:46:44