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2022-09-24 20:49:43
9kg 45dag = 945 dag
1 phần 2 của gì??
3 phút 15 giây > 150 giây
100kg 500g > 100kg 50g
2022-09-21 20:43:22
148
2022-09-21 20:42:04
\(\dfrac{3}{2}\)+\(\dfrac{1}{2}\)-\(\dfrac{5}{6}\)= \(\dfrac{4}{2}\)-\(\dfrac{5}{6}\)= \(\dfrac{12}{6}\)- 5/6 = \(\dfrac{7}{6}\)
2022-09-21 19:55:40
16x8=128 (m2) sry
2022-09-21 19:54:52
Chiều rộng hình chữ nhật là:
48:2=24 (m)
Chu vi hình chữ nhật là:
(48+24)x2=144 (m)
Diện tích hình chữ nhật là:
48x24=1152 (m2)
Đáp số: Chu vi:144m
Diện tich:1152m2
2022-09-21 19:49:21
23< 5^2 < 30
2022-09-21 19:46:26
Đổi: một nửa=1/2
Chiều rộng hình chữ nhật là:
16 x 1/2 =8 ( m )
Chu vi hình chữ nhật là:
(16+8)x2=48 (m)
Diện tích hình chữ nhật là:
16x8=128 (m)
Đáp số: ...
2022-09-21 19:04:32
Thứ 2
2022-09-20 20:55:43
2,35m nhé
2022-09-20 20:54:17