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2022-07-22 17:14:16
We usually meet in the cafe on Saturday.
- Đây là câu ở thì hiện tại đơn
Cấu trúc:
(+) S + V/ V(s/es) + ...
- Vì we là chủ ngữ số nhiều nên động từ meet không chia
- on + các thứ trong tuần
@Trangg
2022-07-22 17:11:34
gọi số có 2 c/s cần tìm là ab
ta có;
1ab0 = 50 x ab
1000 + 10ab = 50ab
1000 = 40ab
-> ab = 25
THỬ LẠI:
1250 : 25 = 50
@Trangg
2022-05-23 16:23:41
2022-05-23 16:20:03
(25 + 15) x 2 = 80 (cm)
2022-05-23 16:17:04
Gọi hai số lần lượt là a;b
Ta có:
a + b = 15,95
10b = a
10b + b = 15,95
11b = 15,95
b = 1,45
a = 1,45 x 10 = 14,5