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Nguyễn Anh Dũng
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2022-11-27 11:03:33
152 giờ
2022-11-27 11:02:59
120 x 4 + 120 x 5 + 120
= 120 x ( 4 + 5 + 1)
= 120 x 10
= 1200
2022-11-27 11:01:33
10 năm
2022-11-27 10:59:15
từ 12 đến 56 có các số lẻ là:
13, 15, 17, 19, ..... , 51, 53, 55
Cách tính số số hạng (SSH):
( Số cuối - Số đầu) : Khoảng cách + 1
SSH: (55 - 13) : 2 + 1 = 21(số)
2022-11-27 10:52:46
152 giờ
2022-11-27 10:43:56
2022-06-08 15:46:01
Đổi 5dm=50cm
Diện tích hình chữ nhật đó là:
4 x 50 = 200 (cm2)
Đáp số : 200cm2
2022-04-01 22:48:12