\(\text{Gọi số Toàn nghĩ là x}\)

\(\text{Ta có:}\) \(\left(x+0.7\right)\cdot4-2.75=6.25\)

\(\Leftrightarrow4x+2.8-2.75=6.25\Leftrightarrow4x+0.5=6.25\)

\(\Leftrightarrow4x=5.75\Leftrightarrow x=\frac{5.75}{4}=\frac{\frac{23}{4}}{4}=\frac{23}{16}\)

gọi số Toàn nghĩ là x

(x+0,7)*4-2,75=6,25

(x+0,7)*4        =6,25+2,75

(x+0,7)*4        =9

x+0,7              =9/4

x+0.7              =2,25

x                     =2,25-0,7 

x                     =1,55

Vậy số Toàn nghĩ là 1,55

good luck!

what 

haha

what dại

hahahaha
 

necesarry

communication

syllable

necesarry

communication

syllable

Chúc hbanj học tốt !

Tham khảo nhé !

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Đặt câu với ever

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Đặt câu với never

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Mình không biết đặt câu với recently

Mình biết rồi nè

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Chúc bạn học tốt

i ice cream?

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Dịch : Tôi thích ăn kem 

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who do live with

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I practise listening English by usually listening English music

why do you learn english

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what is your favourite story

My favourite story is Tam and Cam

Chúc em học tốt

giúp mình tìm từ sai và sửa lại

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=> cooks

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=> did