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21 tháng 3 2022

bằng 5 nha bạn

21 tháng 3 2022

12 : 10 + 0,38 x 10

= 1,2 + 3,8

= 5

Chúc bạn học tốt.

😁😁😁

\(357:\left(87:x\right)=110\)

\(\Leftrightarrow87:x=\dfrac{357}{110}\)

\(\Leftrightarrow x=\dfrac{3190}{119}\)

\(357:\left(87:x\right)=110\)

\(\Leftrightarrow87:x=\dfrac{357}{110}\)

hay \(x=\dfrac{3190}{119}\)

5 tháng 1 2016

Có 100 trăm cặp mà mỗi cặp bằng -1

Lấy: 100 .(-1)=-100

25 tháng 3 2021

9:0,25-0,9:1/4x10+22-12+2006

=36-36+2016

=2016

25 tháng 3 2021

\(9:0,25-0,9:\frac{1}{4}\times10+22-12+2006\)

\(=36-36+22-12+2006\)

\(=10+2006\)

\(=2016\)

5 tháng 5 2016

lưu ý nè! Dấu . là dấu nhân đó!!!

5 tháng 5 2016

dễ

 

23 tháng 2 2022

TL

=941 

nhé

HT

17 tháng 7 2017

A=0,(1).5+0,(4)

  =0,(5)+0,(4)

  =5/9+4/9

  =9/9=1

17 tháng 7 2017

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/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

1 tháng 1 2016

2013 nhé chắc vậy vì em chỉ mới lớp 5 thôi