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2022-05-16 20:42:59
ơ sao lại toán lớp 4
2022-05-15 15:05:32
ukm
2022-05-13 20:40:50
\(\dfrac{x}{5}\)=\(\dfrac{2}{3}\)
=>.(x.3)=5.2
=>(5.2)-3
=> 10-8=2
2022-05-13 20:35:04
Chiều dài hình chữ nhật: 0,7 x 2 = 1,4 (m)
Thể tích hình hộp chữ nhật: 0,7 x 1,4 x 0,5 = 0,49 (m3)
ĐS:...
2022-05-12 19:34:30
Giá bán ban đầu là :
1360 000 : ( 100 - 15 ) x 100 = 1600000 ( đồng )
Đ/S:......................
làm bài tốt nha
2022-05-12 19:31:58
Lần thứ 2 lấy :
(1−715).316=110(1−715).316=110
Phần còn lại của tấm vải bằng số phần của tấm vải là :
1−715−110=13301−715−110=1330
Đáp số : 1330