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Mai Như Quỳnh
Giới thiệu về bản thân
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2023-12-21 18:11:03
2023-11-23 12:38:25
1 Vietnamese students have lessons on Saturday
2 English students don't have lessons on Saturday
3 They only have lessons in the morning on weekdays
4 My class have Maths lessons six times a week
5 Students have exams in the May
6 They always do their homework in the evening
7 She is watching television at the moment
8 How many lessons does she have on Thursday?
9 They have english lessons three times a week
2023-11-23 05:57:36
1.Đổi 0,4 = 2/5
Số lớn là:
23,4 : (5-2) x 5 = 39
Số bé là:
39 - 23,4 =15,6
Tổng của hai số đó là
39+15,6 = 54,6
mk chỉ biết câu một thoi mong bn thông cảm
2023-11-23 05:55:02
Ta có:1,5=
3
2
2
3
Tổng số phần bằng nhau là:
3+2=5(phần)
Số lớn là:
25,7:5x3=15,42
Số bé là:
25,7-15,42=10,28