Chung Le
Giới thiệu về bản thân
Bận một thời gian
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2022-05-04 13:27:05
= 2,5 x 0,4 x 1,2
=1 x 1,2
= 1,2
2022-05-04 13:25:46
2022-05-04 13:25:08
2022-05-03 23:10:15
nua chu vi hinh hop chu nhat la : 50 :2=25(cm)
chieu dai hinh hop chu nhat do la: (25+ 7) :2=16(cm)
chieu rong hinh hop chu nhat do la 25 - 16 = 9
dien tich hinh hop do la : 16 x 9 = 144( cm2)
2022-05-03 23:05:29
2022-05-03 23:02:40
2022-05-03 23:01:28
2022-05-03 22:54:58
thieu cau hoi ne
2022-05-03 22:45:11
a, 9 x 9 = 81 ( cm2)
b, 29 x 4 = 116 (cm)
tks
2022-05-03 22:42:59
nua chu vi cua san truong la 80 : 2 = 40 ( m )
chieu dai cua san truong la 40 : ( 2+3) x 3 =24(m)
chieu rong cua san truong la 40 - 24 = 16 ( m)
dien tich cua san truong la 24 x 16 =384 ( m2)
D/S : 384m2
tks