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2022-12-25 16:26:06
x : 3,5 = 6 : 0,5
x : 3,5 = 12
x = 12 x 3,5
x = 42
2022-10-21 21:37:39
7x-16=145
7x=145+16
7x=161
x=161:7
x=23
2022-10-10 21:12:32
Bài giải
Chiều dài trên thực tế là :
6 x 1000 = 6000 (cm)
Chiều rộng trên thực tế là :
4 x 1000 = 4000 (cm)
Diện tích mảnh đất trên thực tế là :
6000 x 4000 = 24 000 000 (cm2)
Đáp số : 24 000 000 cm2
2022-10-10 21:09:15
1024 - 784 = 240
2022-10-10 19:52:51
2022-10-10 19:48:02
13 + 23 = 1 + 8 = 9
15 + 23 + 33 = 1 + 8 + 27 = 36
13 + 23 + 33 = 1 + 8+27=36
cầu thứ 4 giống cầu 3
2022-10-10 19:42:41
2022-10-10 19:41:01
2022-04-24 21:23:50
2022-04-24 21:16:43
Nửa chu vi hình chữ nhật là:
200 : 2 = 100 (m)
Chiều dài hình chữ nhật là:
100 : (3+2) x 3 = 60 (m)
Chiều rộng hình chữ nhật là:
100 - 60 = 40(m)
Diện tích hình chữ nhật là:
60 x 40 = 2400 (m2)
Đáp số: 2400 m2
HT nha em