Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
45 lần thừa số thứ 2 là
(6408 - 2403) : 45 = 89
số thứ 1 là
2403 : 89 = 27
vậy số thứ 1 là 27
số thứ 2 là 89
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gọi 2 số cần tìm là a, b
ta có a x b = 2403 ( 1)
và (a+ 45) x b = 6408
=> a x b+ b x 45 = 6408
(1) => 2403 + b x 45 = 6408
=> b x 45 = 6408- 2403
=> b x 45 = 4005
=> b= 89
(1) => a= 2403 : 89
=> a= 27
Cho ví dụ:
2 x 3 = 6
2x2= 4 3x3 = 9
4x9 = 36
36:6 = 6
vậy tích mới tăng 6 lần. Tích mới đó là 6893 x 6 = 41358
h tang them la
55-45=10
thua so thu hai la
10:2=5